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From: jani@apache.org
To: commits@corinthia.incubator.apache.org
Date: Sun, 16 Aug 2015 10:58:18 -0000
Message-Id: <88761dea3a504f74934e191394e10239@git.apache.org>
In-Reply-To: <ec86e44031f24c76b19ff1ec5897440c@git.apache.org>
References: <ec86e44031f24c76b19ff1ec5897440c@git.apache.org>
Subject: [43/51] [partial] incubator-corinthia git commit: Added
 editorFramework in experiments.

http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/26f461e7/experiments/Editor/src/Tables.js
----------------------------------------------------------------------
diff --git a/experiments/Editor/src/Tables.js b/experiments/Editor/src/Tables.js
deleted file mode 100644
index f1f27be..0000000
--- a/experiments/Editor/src/Tables.js
+++ /dev/null
@@ -1,1362 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements.  See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership.  The ASF licenses this file
-// to you under the Apache License, Version 2.0 (the
-// "License"); you may not use this file except in compliance
-// with the License.  You may obtain a copy of the License at
-//
-//   http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing,
-// software distributed under the License is distributed on an
-// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-// KIND, either express or implied.  See the License for the
-// specific language governing permissions and limitations
-// under the License.
-
-var Tables_insertTable;
-var Tables_addAdjacentRow;
-var Tables_addAdjacentColumn;
-var Tables_removeAdjacentRow;
-var Tables_removeAdjacentColumn;
-var Tables_deleteRegion;
-var Tables_clearCells;
-var Tables_mergeCells;
-var Tables_splitSelection;
-var Tables_cloneRegion;
-var Tables_analyseStructure;
-var Tables_findContainingCell;
-var Tables_findContainingTable;
-var Tables_regionFromRange;
-var Tables_getSelectedTableId;
-var Tables_getProperties;
-var Tables_setProperties;
-var Tables_getColWidths;
-var Tables_setColWidths;
-var Tables_getGeometry;
-
-var Table_get;
-var Table_set;
-var Table_setRegion;
-var Table_fix;
-var Table_fixColumnWidths;
-var TableRegion_splitCells;
-
-(function() {
-
-    function Cell(element,row,col)
-    {
-        this.element = element;
-        this.row = row;
-        this.col = col;
-
-        if (element.hasAttribute("colspan"))
-            this.colspan = parseInt(element.getAttribute("colspan"));
-        else
-            this.colspan = 1;
-        if (element.hasAttribute("rowspan"))
-            this.rowspan = parseInt(element.getAttribute("rowspan"));
-        else
-            this.rowspan = 1;
-
-        if (this.colspan < 1)
-            this.colspan = 1;
-        if (this.rowspan < 1)
-            this.rowspan = 1;
-
-        this.top = this.row;
-        this.bottom = this.top + this.rowspan - 1;
-        this.left = this.col;
-        this.right = this.left + this.colspan - 1;
-    }
-
-    function Cell_setRowspan(cell,rowspan)
-    {
-        if (rowspan < 1)
-            rowspan = 1;
-        cell.rowspan = rowspan;
-        cell.bottom = cell.top + cell.rowspan - 1;
-        if (rowspan == 1)
-            DOM_removeAttribute(cell.element,"rowspan");
-        else
-            DOM_setAttribute(cell.element,"rowspan",rowspan);
-    }
-
-    function Cell_setColspan(cell,colspan)
-    {
-        if (colspan < 1)
-            colspan = 1;
-        cell.colspan = colspan;
-        cell.right = cell.left + cell.colspan - 1;
-        if (colspan == 1)
-            DOM_removeAttribute(cell.element,"colspan");
-        else
-            DOM_setAttribute(cell.element,"colspan",colspan);
-    }
-
-    function Table(element)
-    {
-        this.element = element;
-        this.row = 0;
-        this.col = 0;
-        this.cells = new Array();
-        this.numRows = 0;
-        this.numCols = 0;
-        this.translated = false;
-        this.cellsByElement = new NodeMap();
-        Table_processTable(this,element);
-    }
-
-    // public
-    Table_get = function(table,row,col)
-    {
-        if (table.cells[row] == null)
-            return null;
-        return table.cells[row][col];
-    }
-
-    // public
-    Table_set = function(table,row,col,cell)
-    {
-        if (table.numRows < row+1)
-            table.numRows = row+1;
-        if (table.numCols < col+1)
-            table.numCols = col+1;
-        if (table.cells[row] == null)
-            table.cells[row] = new Array();
-        table.cells[row][col] = cell;
-    }
-
-    // public
-    Table_setRegion = function(table,top,left,bottom,right,cell)
-    {
-        for (var row = top; row <= bottom; row++) {
-            for (var col = left; col <= right; col++) {
-                var destCell = Table_get(table,row,col);
-                DOM_deleteNode(destCell.element);
-                Table_set(table,row,col,cell);
-            }
-        }
-    }
-
-    function Table_processTable(table,node)
-    {
-        var type = node._type;
-        switch (node._type) {
-        case HTML_TD:
-        case HTML_TH: {
-            while (Table_get(table,table.row,table.col) != null)
-                table.col++;
-
-            var cell = new Cell(node,table.row,table.col);
-            table.cellsByElement.put(node,cell);
-
-            for (var r = 0; r < cell.rowspan; r++) {
-                for (var c = 0; c < cell.colspan; c++) {
-                    Table_set(table,table.row+r,table.col+c,cell);
-                }
-            }
-            table.col += cell.colspan;
-            break;
-        }
-        case HTML_TR:
-            for (var child = node.firstChild; child != null; child = child.nextSibling)
-                Table_processTable(table,child);
-            table.row++;
-            table.col = 0;
-            break;
-        default:
-            for (var child = node.firstChild; child != null; child = child.nextSibling)
-                Table_processTable(table,child);
-            break;
-        }
-    }
-
-    // public
-    Tables_insertTable = function(rows,cols,width,numbered,caption,className)
-    {
-        UndoManager_newGroup("Insert table");
-
-        if (rows < 1)
-            rows = 1;
-        if (cols < 1)
-            cols = 1;
-
-        var haveCaption = (caption != null) && (caption != "");
-        var table = DOM_createElement(document,"TABLE");
-
-        if (width != null)
-            DOM_setStyleProperties(table,{"width": width});
-
-        if (className != null)
-            DOM_setAttribute(table,"class",className);
-
-        // Caption comes first
-        if (haveCaption) {
-            var tableCaption = DOM_createElement(document,"CAPTION");
-            DOM_appendChild(tableCaption,DOM_createTextNode(document,caption));
-            DOM_appendChild(table,tableCaption);
-        }
-
-        // Set equal column widths
-        var colWidth = Math.round(100/cols)+"%";
-        for (var c = 0; c < cols; c++) {
-            var col = DOM_createElement(document,"COL");
-            DOM_setAttribute(col,"width",colWidth);
-            DOM_appendChild(table,col);
-        }
-
-        var firstTD = null;
-
-        // Then the rows and columns
-        var tbody = DOM_createElement(document,"TBODY");
-        DOM_appendChild(table,tbody);
-        for (var r = 0; r < rows; r++) {
-            var tr = DOM_createElement(document,"TR");
-            DOM_appendChild(tbody,tr);
-            for (var c = 0; c < cols; c++) {
-                var td = DOM_createElement(document,"TD");
-                var p = DOM_createElement(document,"P");
-                var br = DOM_createElement(document,"BR");
-                DOM_appendChild(tr,td);
-                DOM_appendChild(td,p);
-                DOM_appendChild(p,br);
-
-                if (firstTD == null)
-                    firstTD = td;
-            }
-        }
-
-        Clipboard_pasteNodes([table]);
-
-        // Now that the table has been inserted into the DOM tree, the outline code will
-        // have noticed it and added an id attribute, as well as a caption giving the
-        // table number.
-        Outline_setNumbered(table.getAttribute("id"),numbered);
-
-        // Place the cursor at the start of the first cell on the first row
-        var pos = new Position(firstTD,0);
-        pos = Position_closestMatchForwards(pos,Position_okForMovement);
-        Selection_set(pos.node,pos.offset,pos.node,pos.offset);
-
-        PostponedActions_add(UndoManager_newGroup);
-    }
-
-    // private
-    function createEmptyTableCell(elementName)
-    {
-        var br = DOM_createElement(document,"BR");
-        var p = DOM_createElement(document,"P");
-        var td = DOM_createElement(document,elementName);
-        DOM_appendChild(p,br);
-        DOM_appendChild(td,p);
-        return td;
-    }
-
-    // private
-    function addEmptyTableCell(newTR,elementName)
-    {
-        var td = createEmptyTableCell(elementName);
-        DOM_appendChild(newTR,td);
-        return td;
-    }
-
-    // private
-    function populateNewRow(structure,newTR,newRow,oldRow)
-    {
-        var col = 0;
-        while (col < structure.numCols) {
-            var existingCell = Table_get(structure,oldRow,col);
-            if (((newRow > oldRow) && (newRow < existingCell.row + existingCell.rowspan)) ||
-                ((newRow < oldRow) && (newRow >= existingCell.row))) {
-                Cell_setRowspan(existingCell,existingCell.rowspan+1);
-            }
-            else {
-                var td = addEmptyTableCell(newTR,existingCell.element.nodeName); // check-ok
-                if (existingCell.colspan != 1)
-                    DOM_setAttribute(td,"colspan",existingCell.colspan);
-            }
-            col += existingCell.colspan;
-        }
-    }
-
-    function tableAtRightOfRange(range)
-    {
-        if (!Range_isEmpty(range))
-            return null;
-
-        var pos = Position_preferElementPosition(range.start);
-        if ((pos.node.nodeType == Node.ELEMENT_NODE) &&
-            (pos.offset < pos.node.childNodes.length) &&
-            (pos.node.childNodes[pos.offset]._type == HTML_TABLE)) {
-            var element = pos.node.childNodes[pos.offset];
-            var table = Tables_analyseStructure(element);
-            return table;
-        }
-        return null;
-    }
-
-    function tableAtLeftOfRange(range)
-    {
-        if (!Range_isEmpty(range))
-            return null;
-
-        var pos = Position_preferElementPosition(range.start);
-        if ((pos.node.nodeType == Node.ELEMENT_NODE) &&
-            (pos.offset > 0) &&
-            (pos.node.childNodes[pos.offset-1]._type == HTML_TABLE)) {
-            var element = pos.node.childNodes[pos.offset-1];
-            var table = Tables_analyseStructure(element);
-            return table;
-        }
-        return null;
-    }
-
-    function insertRowAbove(table,row)
-    {
-        var cell = Table_get(table,row,0);
-        var oldTR = cell.element.parentNode;
-        var newTR = DOM_createElement(document,"TR");
-        DOM_insertBefore(oldTR.parentNode,newTR,oldTR);
-        populateNewRow(table,newTR,row-1,row);
-    }
-
-    function insertRowBelow(table,row)
-    {
-        var cell = Table_get(table,row,0);
-        var oldTR = cell.element.parentNode;
-        var newTR = DOM_createElement(document,"TR");
-        DOM_insertBefore(oldTR.parentNode,newTR,oldTR.nextSibling);
-        populateNewRow(table,newTR,row+1,row);
-    }
-
-    function insertRowAdjacentToRange(range)
-    {
-        var table;
-
-        table = tableAtLeftOfRange(range);
-        if (table != null) {
-            insertRowBelow(table,table.numRows-1);
-            return;
-        }
-
-        table = tableAtRightOfRange(range);
-        if (table != null) {
-            insertRowAbove(table,0);
-            return;
-        }
-    }
-
-    // public
-    Tables_addAdjacentRow = function()
-    {
-        UndoManager_newGroup("Insert row below");
-        Selection_preserveWhileExecuting(function() {
-            var range = Selection_get();
-            var region = Tables_regionFromRange(range,true);
-            if (region != null)
-                insertRowBelow(region.structure,region.bottom);
-            else
-                insertRowAdjacentToRange(range);
-        });
-        UndoManager_newGroup();
-    }
-
-    // private
-    function getColElements(table)
-    {
-        var cols = new Array();
-        for (child = table.firstChild; child != null; child = child.nextSibling) {
-            switch (child._type) {
-            case HTML_COLGROUP:
-                for (var gc = child.firstChild; gc != null; gc = gc.nextSibling) {
-                    if (gc._type == HTML_COL)
-                        cols.push(gc);
-                }
-                break;
-            case HTML_COL:
-                cols.push(child);
-                break;
-            }
-        }
-        return cols;
-    }
-
-    // private
-    function getColWidths(colElements,expectedCount)
-    {
-        // FIXME: also handle the case where the width has been set as a CSS property in the
-        // style attribute. There's probably not much we can do if the width comes from a style
-        // rule elsewhere in the document though.
-        var colWidths = new Array();
-        for (var i = 0; i < colElements.length; i++) {
-            if (colElements[i].hasAttribute("width"))
-                colWidths.push(colElements[i].getAttribute("width"));
-            else
-                colWidths.push("");
-        }
-        return colWidths;
-    }
-
-    // private
-    function addMissingColElements(structure,colElements)
-    {
-        // If there are fewer COL elements than there are colums, add extra ones, copying the
-        // width value from the last one
-        // FIXME: handle col elements with colspan > 1, as well as colgroups with width set
-        // FIXME: What if there are 0 col elements?
-        while (colElements.length < structure.numCols) {
-            var newColElement = DOM_createElement(document,"COL");
-            var lastColElement = colElements[colElements.length-1];
-            DOM_insertBefore(lastColElement.parentNode,newColElement,lastColElement.nextSibling);
-            colElements.push(newColElement);
-            DOM_setAttribute(newColElement,"width",lastColElement.getAttribute("width"));
-        }
-    }
-
-    // private
-    function fixColPercentages(structure,colElements)
-    {
-        var colWidths = getColWidths(colElements,structure.numCols);
-
-        var percentages = colWidths.map(getPercentage);
-        if (percentages.every(notNull)) {
-            var colWidthTotal = 0;
-            for (var i = 0; i < percentages.length; i++)
-                colWidthTotal += percentages[i];
-
-            for (var i = 0; i < colElements.length; i++) {
-                var pct = 100*percentages[i]/colWidthTotal;
-                // Store value using at most two decimal places
-                pct = Math.round(100*pct)/100;
-                DOM_setAttribute(colElements[i],"width",pct+"%");
-            }
-        }
-
-        function notNull(arg)
-        {
-            return (arg != null);
-        }
-
-        function getPercentage(str)
-        {
-            if (str.match(/^\s*\d+(\.\d+)?\s*%\s*$/))
-                return parseInt(str.replace(/\s*%\s*$/,""));
-            else
-                return null;
-        }
-    }
-
-    // private
-    function addColElement(structure,oldIndex,right)
-    {
-        var table = structure.element;
-
-        var colElements = getColElements(table);
-        if (colElements.length == 0) {
-            // The table doesn't have any COL elements; don't add any
-            return;
-        }
-
-        addMissingColElements(structure,colElements);
-
-        var prevColElement = colElements[oldIndex];
-        var newColElement = DOM_createElement(document,"COL");
-        DOM_setAttribute(newColElement,"width",prevColElement.getAttribute("width"));
-        if (right)
-            DOM_insertBefore(prevColElement.parentNode,newColElement,prevColElement.nextSibling);
-        else
-            DOM_insertBefore(prevColElement.parentNode,newColElement,prevColElement);
-
-        if (right) {
-            colElements.splice(oldIndex+1,0,newColElement);
-        }
-        else {
-            colElements.splice(oldIndex+1,0,newColElement);
-        }
-
-        fixColPercentages(structure,colElements);
-    }
-
-    // private
-    function deleteColElements(structure,left,right)
-    {
-        var table = structure.element;
-
-        var colElements = getColElements(table);
-        if (colElements.length == 0) {
-            // The table doesn't have any COL elements
-            return;
-        }
-
-        addMissingColElements(structure,colElements);
-
-        for (var col = left; col <= right; col++)
-            DOM_deleteNode(colElements[col]);
-        colElements.splice(left,right-left+1);
-
-        fixColPercentages(structure,colElements);
-    }
-
-    // private
-    function addColumnCells(structure,oldIndex,right)
-    {
-        for (var row = 0; row < structure.numRows; row++) {
-            var cell = Table_get(structure,row,oldIndex);
-            var oldTD = cell.element;
-            if (cell.row == row) {
-
-                if (((right && (oldIndex+1 < cell.col + cell.colspan)) ||
-                    (!right && (oldIndex-1 >= cell.col))) &&
-                    (cell.colspan > 1)) {
-                    Cell_setColspan(cell,cell.colspan+1);
-                }
-                else {
-                    var newTD = createEmptyTableCell(oldTD.nodeName); // check-ok
-                    if (right)
-                        DOM_insertBefore(cell.element.parentNode,newTD,oldTD.nextSibling);
-                    else
-                        DOM_insertBefore(cell.element.parentNode,newTD,oldTD);
-                    if (cell.rowspan != 1)
-                        DOM_setAttribute(newTD,"rowspan",cell.rowspan);
-                }
-            }
-        }
-    }
-
-    function insertColumnAdjacentToRange(range)
-    {
-        var table;
-
-        table = tableAtLeftOfRange(range);
-        if (table != null) {
-            var right = table.numCols-1;
-            addColElement(table,right,right+1);
-            addColumnCells(table,right,true);
-            return;
-        }
-
-        table = tableAtRightOfRange(range);
-        if (table != null) {
-            var left = 0;
-            addColElement(table,left,left-1);
-            addColumnCells(table,left,false);
-            return;
-        }
-    }
-
-    // public
-    Tables_addAdjacentColumn = function()
-    {
-        UndoManager_newGroup("Insert column at right");
-        Selection_preserveWhileExecuting(function() {
-            var range = Selection_get();
-            var region = Tables_regionFromRange(range,true);
-            if (region != null) {
-                addColElement(region.structure,region.right,region.right+1);
-                addColumnCells(region.structure,region.right,true);
-            }
-            else {
-                insertColumnAdjacentToRange(range);
-            }
-        });
-        UndoManager_newGroup();
-    }
-
-    function columnHasContent(table,col)
-    {
-        for (var row = 0; row < table.numRows; row++) {
-            var cell = Table_get(table,row,col);
-            if ((cell != null) && (cell.col == col) && nodeHasContent(cell.element))
-                return true;
-        }
-        return false;
-    }
-
-    function rowHasContent(table,row)
-    {
-        for (var col = 0; col < table.numCols; col++) {
-            var cell = Table_get(table,row,col);
-            if ((cell != null) && (cell.row == row) && nodeHasContent(cell.element))
-                return true;
-        }
-        return false;
-    }
-
-    function selectRegion(table,top,bottom,left,right)
-    {
-        left = clampCol(table,left);
-        right = clampCol(table,right);
-        top = clampRow(table,top);
-        bottom = clampRow(table,bottom);
-
-        var tlCell = Table_get(table,top,left);
-        var brCell = Table_get(table,bottom,right);
-        if ((tlCell != null) && (brCell != null)) {
-            var tlPos = new Position(tlCell.element,0);
-            tlPos = Position_closestMatchForwards(tlPos,Position_okForMovement);
-
-            var brPos = new Position(brCell.element,brCell.element.childNodes.length);
-            brPos = Position_closestMatchBackwards(brPos,Position_okForMovement);
-
-            Selection_set(tlPos.node,tlPos.offset,brPos.node,brPos.offset);
-        }
-    }
-
-    function clampCol(table,col)
-    {
-        if (col > table.numCols-1)
-            col = table.numCols-1;
-        if (col < 0)
-            col = 0;
-        return col;
-    }
-
-    function clampRow(table,row)
-    {
-        if (row > table.numRows-1)
-            row = table.numRows-1;
-        if (row < 0)
-            row = 0;
-        return row;
-    }
-
-    function removeRowAdjacentToRange(range)
-    {
-        var table;
-
-        table = tableAtLeftOfRange(range);
-        if ((table != null) && (table.numRows >= 2)) {
-            UndoManager_newGroup("Delete one row");
-            var row = table.numRows-1;
-            Tables_deleteRegion(new TableRegion(table,row,row,0,table.numCols-1));
-            UndoManager_newGroup();
-            return;
-        }
-
-        table = tableAtRightOfRange(range);
-        if ((table != null) && (table.numRows >= 2)) {
-            UndoManager_newGroup("Delete one row");
-            Tables_deleteRegion(new TableRegion(table,0,0,0,table.numCols-1));
-            UndoManager_newGroup();
-            return;
-        }
-    }
-
-    Tables_removeAdjacentRow = function()
-    {
-        var range = Selection_get();
-        var region = Tables_regionFromRange(range,true);
-
-        if (region == null) {
-            removeRowAdjacentToRange(range);
-            return;
-        }
-
-        if (region.structure.numRows <= 1)
-            return;
-
-        UndoManager_newGroup("Delete one row");
-
-        var table = region.structure;
-        var left = region.left;
-        var right = region.right;
-        var top = region.top;
-        var bottom = region.bottom;
-
-        // Is there an empty row below the selection? If so, delete it
-        if ((bottom+1 < table.numRows) && !rowHasContent(table,bottom+1)) {
-            Selection_preserveWhileExecuting(function() {
-                Tables_deleteRegion(new TableRegion(table,bottom+1,bottom+1,0,table.numCols-1));
-            });
-        }
-
-        // Is there an empty row above the selection? If so, delete it
-        else if ((top-1 >= 0) && !rowHasContent(table,top-1)) {
-            Selection_preserveWhileExecuting(function() {
-                Tables_deleteRegion(new TableRegion(table,top-1,top-1,0,table.numCols-1));
-            });
-        }
-
-
-        // There are no empty rows adjacent to the selection. Delete the right-most row
-        // of the selection (which may be the only one)
-        else {
-            Selection_preserveWhileExecuting(function() {
-                Tables_deleteRegion(new TableRegion(table,bottom,bottom,0,table.numCols-1));
-            });
-
-            table = Tables_analyseStructure(table.element);
-            var multiple = (top != bottom);
-
-            if (multiple) {
-                selectRegion(table,top,bottom-1,left,right);
-            }
-            else {
-                var newRow = clampRow(table,bottom);
-                var newCell = Table_get(table,newRow,left);
-                if (newCell != null) {
-                    var pos = new Position(newCell.element,0);
-                    pos = Position_closestMatchForwards(pos,Position_okForMovement);
-                    Selection_set(pos.node,pos.offset,pos.node,pos.offset);
-                }
-            }
-        }
-
-        UndoManager_newGroup();
-    }
-
-    function removeColumnAdjacentToRange(range)
-    {
-        var table;
-
-        table = tableAtLeftOfRange(range);
-        if ((table != null) && (table.numCols >= 2)) {
-            UndoManager_newGroup("Delete one column");
-            var col = table.numCols-1;
-            Tables_deleteRegion(new TableRegion(table,0,table.numRows-1,col,col));
-            UndoManager_newGroup();
-            return;
-        }
-
-        table = tableAtRightOfRange(range);
-        if ((table != null) && (table.numCols >= 2)) {
-            UndoManager_newGroup("Delete one column");
-            Tables_deleteRegion(new TableRegion(table,0,table.numRows-1,0,0));
-            UndoManager_newGroup();
-            return;
-        }
-    }
-
-    Tables_removeAdjacentColumn = function()
-    {
-        var range = Selection_get();
-        var region = Tables_regionFromRange(range,true);
-
-        if (region == null) {
-            removeColumnAdjacentToRange(range);
-            return;
-        }
-
-        if (region.structure.numCols <= 1)
-            return;
-
-        UndoManager_newGroup("Delete one column");
-
-        var table = region.structure;
-        var left = region.left;
-        var right = region.right;
-        var top = region.top;
-        var bottom = region.bottom;
-
-        // Is there an empty column to the right of the selection? If so, delete it
-        if ((right+1 < table.numCols) && !columnHasContent(table,right+1)) {
-            Selection_preserveWhileExecuting(function() {
-                Tables_deleteRegion(new TableRegion(table,0,table.numRows-1,right+1,right+1));
-            });
-        }
-
-        // Is there an empty column to the left of the selection? If so, delete it
-        else if ((left-1 >= 0) && !columnHasContent(table,left-1)) {
-            Selection_preserveWhileExecuting(function() {
-                Tables_deleteRegion(new TableRegion(table,0,table.numRows-1,left-1,left-1));
-            });
-        }
-
-        // There are no empty columns adjacent to the selection. Delete the right-most column
-        // of the selection (which may be the only one)
-        else {
-            Selection_preserveWhileExecuting(function() {
-                Tables_deleteRegion(new TableRegion(table,0,table.numRows-1,right,right));
-            });
-
-            table = Tables_analyseStructure(table.element);
-            var multiple = (left != right);
-
-            if (multiple) {
-                selectRegion(table,top,bottom,left,right-1);
-            }
-            else {
-                var newCol = clampCol(table,right);
-                var newCell = Table_get(table,top,newCol);
-                if (newCell != null) {
-                    var pos = new Position(newCell.element,0);
-                    pos = Position_closestMatchForwards(pos,Position_okForMovement);
-                    Selection_set(pos.node,pos.offset,pos.node,pos.offset);
-                }
-            }
-        }
-
-        UndoManager_newGroup();
-    }
-
-    // private
-    function deleteTable(structure)
-    {
-        DOM_deleteNode(structure.element);
-    }
-
-    // private
-    function deleteRows(structure,top,bottom)
-    {
-        var trElements = new Array();
-        getTRs(structure.element,trElements);
-
-        for (var row = top; row <= bottom; row++)
-            DOM_deleteNode(trElements[row]);
-    }
-
-    // private
-    function getTRs(node,result)
-    {
-        if (node._type == HTML_TR) {
-            result.push(node);
-        }
-        else {
-            for (var child = node.firstChild; child != null; child = child.nextSibling)
-                getTRs(child,result);
-        }
-    }
-
-    // private
-    function deleteColumns(structure,left,right)
-    {
-        var nodesToDelete = new NodeSet();
-        for (var row = 0; row < structure.numRows; row++) {
-            for (var col = left; col <= right; col++) {
-                var cell = Table_get(structure,row,col);
-                nodesToDelete.add(cell.element);
-            }
-        }
-        nodesToDelete.forEach(DOM_deleteNode);
-        deleteColElements(structure,left,right);
-    }
-
-    // private
-    function deleteCellContents(region)
-    {
-        var structure = region.structure;
-        for (var row = region.top; row <= region.bottom; row++) {
-            for (var col = region.left; col <= region.right; col++) {
-                var cell = Table_get(structure,row,col);
-                DOM_deleteAllChildren(cell.element);
-            }
-        }
-    }
-
-    // public
-    Tables_deleteRegion = function(region)
-    {
-        var structure = region.structure;
-
-        var coversEntireWidth = (region.left == 0) && (region.right == structure.numCols-1);
-        var coversEntireHeight = (region.top == 0) && (region.bottom == structure.numRows-1);
-
-        if (coversEntireWidth && coversEntireHeight)
-            deleteTable(region.structure);
-        else if (coversEntireWidth)
-            deleteRows(structure,region.top,region.bottom);
-        else if (coversEntireHeight)
-            deleteColumns(structure,region.left,region.right);
-        else
-            deleteCellContents(region);
-    }
-
-    // public
-    Tables_clearCells = function()
-    {
-    }
-
-    // public
-    Tables_mergeCells = function()
-    {
-        Selection_preserveWhileExecuting(function() {
-            var region = Tables_regionFromRange(Selection_get());
-            if (region == null)
-                return;
-
-            var structure = region.structure;
-
-            // FIXME: handle the case of missing cells
-            // (or even better, add cells where there are some missing)
-
-            for (var row = region.top; row <= region.bottom; row++) {
-                for (var col = region.left; col <= region.right; col++) {
-                    var cell = Table_get(structure,row,col);
-                    var cellFirstRow = cell.row;
-                    var cellLastRow = cell.row + cell.rowspan - 1;
-                    var cellFirstCol = cell.col;
-                    var cellLastCol = cell.col + cell.colspan - 1;
-
-                    if ((cellFirstRow < region.top) || (cellLastRow > region.bottom) ||
-                        (cellFirstCol < region.left) || (cellLastCol > region.right)) {
-                        debug("Can't merge this table: cell at "+row+","+col+
-                              " goes outside bounds of selection");
-                        return;
-                    }
-                }
-            }
-
-            var mergedCell = Table_get(structure,region.top,region.left);
-
-            for (var row = region.top; row <= region.bottom; row++) {
-                for (var col = region.left; col <= region.right; col++) {
-                    var cell = Table_get(structure,row,col);
-                    // parentNode will be null if we've already done this cell
-                    if ((cell != mergedCell) && (cell.element.parentNode != null)) {
-                        while (cell.element.firstChild != null)
-                            DOM_appendChild(mergedCell.element,cell.element.firstChild);
-                        DOM_deleteNode(cell.element);
-                    }
-                }
-            }
-
-            var totalRows = region.bottom - region.top + 1;
-            var totalCols = region.right - region.left + 1;
-            if (totalRows == 1)
-                DOM_removeAttribute(mergedCell.element,"rowspan");
-            else
-                DOM_setAttribute(mergedCell.element,"rowspan",totalRows);
-            if (totalCols == 1)
-                DOM_removeAttribute(mergedCell.element,"colspan");
-            else
-                DOM_setAttribute(mergedCell.element,"colspan",totalCols);
-        });
-    }
-
-    // public
-    Tables_splitSelection = function()
-    {
-        Selection_preserveWhileExecuting(function() {
-            var range = Selection_get();
-            Range_trackWhileExecuting(range,function() {
-                var region = Tables_regionFromRange(range,true);
-                if (region != null)
-                    TableRegion_splitCells(region);
-            });
-        });
-    }
-
-    // public
-    TableRegion_splitCells = function(region)
-    {
-        var structure = region.structure;
-        var trElements = new Array();
-        getTRs(structure.element,trElements);
-
-        for (var row = region.top; row <= region.bottom; row++) {
-            for (var col = region.left; col <= region.right; col++) {
-                var cell = Table_get(structure,row,col);
-                if ((cell.rowspan > 1) || (cell.colspan > 1)) {
-
-                    var original = cell.element;
-
-                    for (var r = cell.top; r <= cell.bottom; r++) {
-                        for (var c = cell.left; c <= cell.right; c++) {
-                            if ((r == cell.top) && (c == cell.left))
-                                continue;
-                            var newTD = createEmptyTableCell(original.nodeName); // check-ok
-                            var nextElement = null;
-
-                            var nextCol = cell.right+1;
-                            while (nextCol < structure.numCols) {
-                                var nextCell = Table_get(structure,r,nextCol);
-                                if ((nextCell != null) && (nextCell.row == r)) {
-                                    nextElement = nextCell.element;
-                                    break;
-                                }
-                                nextCol++;
-                            }
-
-                            DOM_insertBefore(trElements[r],newTD,nextElement);
-                            Table_set(structure,r,c,new Cell(newTD,r,c));
-                        }
-                    }
-                    DOM_removeAttribute(original,"rowspan");
-                    DOM_removeAttribute(original,"colspan");
-                }
-            }
-        }
-    }
-
-    // public
-    Tables_cloneRegion = function(region)
-    {
-        var cellNodesDone = new NodeSet();
-        var table = DOM_shallowCopyElement(region.structure.element);
-        for (var row = region.top; row <= region.bottom; row++) {
-            var tr = DOM_createElement(document,"TR");
-            DOM_appendChild(table,tr);
-            for (var col = region.left; col <= region.right; col++) {
-                var cell = Table_get(region.structure,row,col);
-                if (!cellNodesDone.contains(cell.element)) {
-                    DOM_appendChild(tr,DOM_cloneNode(cell.element,true));
-                    cellNodesDone.add(cell.element);
-                }
-            }
-        }
-        return table;
-    }
-
-    // private
-    function pasteCells(fromTableElement,toRegion)
-    {
-        // FIXME
-        var fromStructure = Tables_analyseStructure(fromTableElement);
-    }
-
-    // public
-    Table_fix = function(table)
-    {
-        var changed = false;
-
-        var tbody = null;
-        for (var child = table.element.firstChild; child != null; child = child.nextSibling) {
-            if (child._type == HTML_TBODY)
-                tbody = child;
-        }
-
-        if (tbody == null)
-            return table; // FIXME: handle presence of THEAD and TFOOT, and also a missing TBODY
-
-        var trs = new Array();
-        for (var child = tbody.firstChild; child != null; child = child.nextSibling) {
-            if (child._type == HTML_TR)
-                trs.push(child);
-        }
-
-        while (trs.length < table.numRows) {
-            var tr = DOM_createElement(document,"TR");
-            DOM_appendChild(tbody,tr);
-            trs.push(tr);
-        }
-
-        for (var row = 0; row < table.numRows; row++) {
-            for (var col = 0; col < table.numCols; col++) {
-                var cell = Table_get(table,row,col);
-                if (cell == null) {
-                    var td = createEmptyTableCell("TD");
-                    DOM_appendChild(trs[row],td);
-                    changed = true;
-                }
-            }
-        }
-
-        if (changed)
-            return new Table(table.element);
-        else
-            return table;
-    }
-
-    // public
-    Table_fixColumnWidths = function(structure)
-    {
-        var colElements = getColElements(structure.element);
-        if (colElements.length == 0)
-            return;
-        addMissingColElements(structure,colElements);
-
-        var widths = Tables_getColWidths(structure);
-        fixWidths(widths,structure.numCols);
-        colElements = getColElements(structure.element);
-        for (var i = 0; i < widths.length; i++)
-            DOM_setAttribute(colElements[i],"width",widths[i]+"%");
-    }
-
-    // public
-    Tables_analyseStructure = function(element)
-    {
-        // FIXME: we should probably be preserving the selection here, since we are modifying
-        // the DOM (though I think it's unlikely it would cause problems, becausing the fixup
-        // logic only adds elements). However this method is called (indirectly) from within
-        // Selection_update(), which causes unbounded recursion due to the subsequent Selecton_set()
-        // that occurs.
-        var initial = new Table(element);
-        var fixed = Table_fix(initial);
-        return fixed;
-    }
-
-    // public
-    Tables_findContainingCell = function(node)
-    {
-        for (var ancestor = node; ancestor != null; ancestor = ancestor.parentNode) {
-            if (isTableCell(ancestor))
-                return ancestor;
-        }
-        return null;
-    }
-
-    // public
-    Tables_findContainingTable = function(node)
-    {
-        for (var ancestor = node; ancestor != null; ancestor = ancestor.parentNode) {
-            if (ancestor._type == HTML_TABLE)
-                return ancestor;
-        }
-        return null;
-    }
-
-    function TableRegion(structure,top,bottom,left,right)
-    {
-        this.structure = structure;
-        this.top = top;
-        this.bottom = bottom;
-        this.left = left;
-        this.right = right;
-    }
-
-    TableRegion.prototype.toString = function()
-    {
-        return "("+this.top+","+this.left+") - ("+this.bottom+","+this.right+")";
-    }
-
-    // public
-    Tables_regionFromRange = function(range,allowSameCell)
-    {
-        var region = null;
-
-        if (range == null)
-            return null;
-
-        var start = Position_closestActualNode(range.start,true);
-        var end = Position_closestActualNode(range.end,true);
-
-        var startTD = Tables_findContainingCell(start);
-        var endTD = Tables_findContainingCell(end);
-
-        if (!isTableCell(start) || !isTableCell(end)) {
-            if (!allowSameCell) {
-                if (startTD == endTD) // not in cell, or both in same cell
-                    return null;
-            }
-        }
-
-        if ((startTD == null) || (endTD == null))
-            return null;
-
-        var startTable = Tables_findContainingTable(startTD);
-        var endTable = Tables_findContainingTable(endTD);
-
-        if (startTable != endTable)
-            return null;
-
-        var structure = Tables_analyseStructure(startTable);
-
-        var startInfo = structure.cellsByElement.get(startTD);
-        var endInfo = structure.cellsByElement.get(endTD);
-
-        var startTopRow = startInfo.row;
-        var startBottomRow = startInfo.row + startInfo.rowspan - 1;
-        var startLeftCol = startInfo.col;
-        var startRightCol = startInfo.col + startInfo.colspan - 1;
-
-        var endTopRow = endInfo.row;
-        var endBottomRow = endInfo.row + endInfo.rowspan - 1;
-        var endLeftCol = endInfo.col;
-        var endRightCol = endInfo.col + endInfo.colspan - 1;
-
-        var top = (startTopRow < endTopRow) ? startTopRow : endTopRow;
-        var bottom = (startBottomRow > endBottomRow) ? startBottomRow : endBottomRow;
-        var left = (startLeftCol < endLeftCol) ? startLeftCol : endLeftCol;
-        var right = (startRightCol > endRightCol) ? startRightCol : endRightCol;
-
-        var region = new TableRegion(structure,top,bottom,left,right);
-        adjustRegionForSpannedCells(region);
-        return region;
-    }
-
-    // private
-    function adjustRegionForSpannedCells(region)
-    {
-        var structure = region.structure;
-        var boundariesOk;
-        var columnsOk;
-        do {
-            boundariesOk = true;
-            for (var row = region.top; row <= region.bottom; row++) {
-                var cell = Table_get(structure,row,region.left);
-                if (region.left > cell.left) {
-                    region.left = cell.left;
-                    boundariesOk = false;
-                }
-                cell = Table_get(structure,row,region.right);
-                if (region.right < cell.right) {
-                    region.right = cell.right;
-                    boundariesOk = false;
-                }
-            }
-
-            for (var col = region.left; col <= region.right; col++) {
-                var cell = Table_get(structure,region.top,col);
-                if (region.top > cell.top) {
-                    region.top = cell.top;
-                    boundariesOk = false;
-                }
-                cell = Table_get(structure,region.bottom,col);
-                if (region.bottom < cell.bottom) {
-                    region.bottom = cell.bottom;
-                    boundariesOk = false;
-                }
-            }
-        } while (!boundariesOk);
-    }
-
-    Tables_getSelectedTableId = function()
-    {
-        var element = Cursor_getAdjacentNodeWithType(HTML_TABLE);
-        return element ? element.getAttribute("id") : null;
-    }
-
-    Tables_getProperties = function(itemId)
-    {
-        var element = document.getElementById(itemId);
-        if ((element == null) || (element._type != HTML_TABLE))
-            return null;
-        var structure = Tables_analyseStructure(element);
-        var width = element.style.width;
-        return { width: width, rows: structure.numRows, cols: structure.numCols };
-    }
-
-    Tables_setProperties = function(itemId,width)
-    {
-        var table = document.getElementById(itemId);
-        if (table == null)
-            return null;
-        DOM_setStyleProperties(table,{ width: width });
-        Selection_update(); // ensure cursor/selection drawn in correct pos
-    }
-
-    // Returns an array of numbers representing the percentage widths (0 - 100) of each
-    // column. This works on the assumption that all tables are supposed to have all of
-    // their column widths specified, and in all cases as percentages. Any which do not
-    // are considered invalid, and have any non-percentage values filled in based on the
-    // average values of all valid percentage-based columns.
-    Tables_getColWidths = function(structure)
-    {
-        var colElements = getColElements(structure.element);
-        var colWidths = new Array();
-
-        for (var i = 0; i < structure.numCols; i++) {
-            var value = null;
-
-            if (i < colElements.length) {
-                var widthStr = DOM_getAttribute(colElements[i],"width");
-                if (widthStr != null) {
-                    value = parsePercentage(widthStr);
-                }
-            }
-
-            if ((value != null) && (value >= 1.0)) {
-                colWidths[i] = value;
-            }
-            else {
-                colWidths[i] = null;
-            }
-        }
-
-        fixWidths(colWidths,structure.numCols);
-
-        return colWidths;
-
-        function parsePercentage(str)
-        {
-            if (str.match(/^\s*\d+(\.\d+)?\s*%\s*$/))
-                return parseFloat(str.replace(/\s*%\s*$/,""));
-            else
-                return null;
-        }
-    }
-
-    function fixWidths(colWidths,numCols)
-    {
-        var totalWidth = 0;
-        var numValidCols = 0;
-        for (var i = 0; i < numCols; i++) {
-            if (colWidths[i] != null) {
-                totalWidth += colWidths[i];
-                numValidCols++;
-            }
-        }
-
-        var averageWidth = (numValidCols > 0) ? totalWidth/numValidCols : 1.0;
-        for (var i = 0; i < numCols; i++) {
-            if (colWidths[i] == null) {
-                colWidths[i] = averageWidth;
-                totalWidth += averageWidth;
-            }
-        }
-
-        // To cater for the case where the column widths do not all add up to 100%,
-        // recalculate all of them based on their value relative to the total width
-        // of all columns. For example, if there are three columns of 33%, 33%, and 33%,
-        // these will get rounded up to 33.33333.....%.
-        // If there are no column widths defined, each will have 100/numCols%.
-        if (totalWidth > 0) {
-            for (var i = 0; i < numCols; i++) {
-                colWidths[i] = 100.0*colWidths[i]/totalWidth;
-            }
-        }
-    }
-
-    // public
-    Tables_setColWidths = function(itemId,widths)
-    {
-        var element = document.getElementById(itemId);
-        if (element == null)
-            return null;
-
-        var structure = Tables_analyseStructure(element);
-
-        fixWidths(widths,structure.numCols);
-
-        var colElements = getColElements(element);
-        for (var i = 0; i < widths.length; i++)
-            DOM_setAttribute(colElements[i],"width",widths[i]+"%");
-
-        Selection_update();
-    }
-
-    // public
-    Tables_getGeometry = function(itemId)
-    {
-        var element = document.getElementById(itemId);
-        if ((element == null) || (element.parentNode == null))
-            return null;
-
-        var structure = Tables_analyseStructure(element);
-
-        var result = new Object();
-
-        // Calculate the rect based on the cells, not the whole table element;
-        // we want to ignore the caption
-        var topLeftCell = Table_get(structure,0,0);
-        var bottomRightCell = Table_get(structure,structure.numRows-1,structure.numCols-1);
-
-        if (topLeftCell == null)
-            throw new Error("No top left cell");
-        if (bottomRightCell == null)
-            throw new Error("No bottom right cell");
-
-        var topLeftRect = topLeftCell.element.getBoundingClientRect();
-        var bottomRightRect = bottomRightCell.element.getBoundingClientRect();
-
-        var left = topLeftRect.left + window.scrollX;
-        var right = bottomRightRect.right + window.scrollX;
-        var top = topLeftRect.top + window.scrollY;
-        var bottom = bottomRightRect.bottom + window.scrollY;
-
-        result.contentRect = { x: left, y: top, width: right - left, height: bottom - top };
-        result.fullRect = xywhAbsElementRect(element);
-        result.parentRect = xywhAbsElementRect(element.parentNode);
-
-        result.columnWidths = Tables_getColWidths(structure);
-
-        var caption = firstChildOfType(element,HTML_CAPTION);
-        result.hasCaption = (caption != null);
-
-        return result;
-
-    }
-
-})();

http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/26f461e7/experiments/Editor/src/Text.js
----------------------------------------------------------------------
diff --git a/experiments/Editor/src/Text.js b/experiments/Editor/src/Text.js
deleted file mode 100644
index 5a69feb..0000000
--- a/experiments/Editor/src/Text.js
+++ /dev/null
@@ -1,543 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements.  See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership.  The ASF licenses this file
-// to you under the Apache License, Version 2.0 (the
-// "License"); you may not use this file except in compliance
-// with the License.  You may obtain a copy of the License at
-//
-//   http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing,
-// software distributed under the License is distributed on an
-// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-// KIND, either express or implied.  See the License for the
-// specific language governing permissions and limitations
-// under the License.
-
-var Text_findParagraphBoundaries;
-var Text_analyseParagraph;
-var Text_posAbove;
-var Text_posBelow;
-var Text_closestPosBackwards;
-var Text_closestPosForwards;
-var Text_closestPosInDirection;
-
-var Paragraph_runFromOffset;
-var Paragraph_runFromNode;
-var Paragraph_positionAtOffset;
-var Paragraph_offsetAtPosition;
-var Paragraph_getRunRects;
-var Paragraph_getRunOrFallbackRects;
-
-var Text_toStartOfBoundary;
-var Text_toEndOfBoundary;
-
-(function() {
-
-    function Paragraph(node,startOffset,endOffset,runs,text)
-    {
-        this.node = node;
-        this.startOffset = startOffset;
-        this.endOffset = endOffset;
-        this.runs = runs;
-        this.text = text;
-
-        Object.defineProperty(this,"first",{
-            get: function() { throw new Error("Attempt to access first property of Position") },
-            set: function() {},
-            enumerable: true });
-        Object.defineProperty(this,"last",{
-            get: function() { throw new Error("Attempt to access last property of Position") },
-            set: function() {},
-            enumerable: true });
-    }
-
-    function Run(node,start,end)
-    {
-        this.node = node;
-        this.start = start;
-        this.end = end;
-    }
-
-    // In this code, we represent a paragraph by its first and last node. Normally, this will be
-    // the first and last child of a paragraph-level element (e.g. p or h1), but this scheme also
-    // represent a sequence of inline nodes between two paragraph or container nodes, e.g.
-    //
-    // <p>...</p> Some <i>inline</i> nodes <p>...</p>
-
-    Text_findParagraphBoundaries = function(pos)
-    {
-        Position_assertValid(pos);
-        var startOffset = pos.offset;
-        var endOffset = pos.offset;
-        var node = pos.node;
-
-        while (isInlineNode(node)) {
-            startOffset = DOM_nodeOffset(node);
-            endOffset = DOM_nodeOffset(node)+1;
-            node = node.parentNode;
-        }
-
-        if (node.nodeType != Node.ELEMENT_NODE)
-            throw new Error("Not an element node: "+nodeString(node));
-
-        while ((startOffset > 0) && isInlineNode(node.childNodes[startOffset-1]))
-            startOffset--;
-        while ((endOffset < node.childNodes.length) && isInlineNode(node.childNodes[endOffset]))
-            endOffset++;
-
-        return { node: node, startOffset: startOffset, endOffset: endOffset };
-    }
-
-    Text_analyseParagraph = function(pos)
-    {
-        var initial = pos.node;
-        var strings = new Array();
-        var runs = new Array();
-        var offset = 0;
-
-        var boundaries = Text_findParagraphBoundaries(pos);
-        if (boundaries == null)
-            return null;
-
-        for (var off = boundaries.startOffset; off < boundaries.endOffset; off++)
-            recurse(boundaries.node.childNodes[off]);
-
-        var text = strings.join("");
-
-        return new Paragraph(boundaries.node,boundaries.startOffset,boundaries.endOffset,runs,text);
-
-        function recurse(node)
-        {
-            if (node.nodeType == Node.TEXT_NODE) {
-                strings.push(node.nodeValue);
-                var start = offset;
-                var end = offset + node.nodeValue.length;
-                runs.push(new Run(node,start,end));
-                offset += node.nodeValue.length;
-            }
-            for (var child = node.firstChild; child != null; child = child.nextSibling)
-                recurse(child);
-        }
-    }
-
-    Text_posAbove = function(pos,cursorRect,cursorX)
-    {
-        if (cursorX == null)
-            cursorX = pos.targetX;
-        pos = Position_closestMatchBackwards(pos,Position_okForMovement);
-        if (cursorRect == null) {
-            cursorRect = Position_rectAtPos(pos);
-            if (cursorRect == null)
-                return null;
-        }
-
-        if (cursorX == null) {
-            cursorX = cursorRect.left;
-        }
-
-        while (true) {
-            pos = Position_closestMatchBackwards(pos,Position_okForMovement);
-            if (pos == null)
-                return null;
-
-            var paragraph = Text_analyseParagraph(pos);
-            if (paragraph == null)
-                return null;
-
-            var rects = Paragraph_getRunOrFallbackRects(paragraph,pos);
-
-            rects = rects.filter(function (rect) {
-                return (rect.bottom <= cursorRect.top);
-            });
-
-
-
-            var bottom = findLowestBottom(rects);
-
-            rects = rects.filter(function (rect) { return (rect.bottom == bottom); });
-
-            // Scroll previous line into view, if necessary
-            var top = findHighestTop(rects);
-            if (top < 0) {
-                var offset = -top;
-                window.scrollBy(0,-offset);
-                rects = offsetRects(rects,0,offset);
-            }
-
-            for (var i = 0; i < rects.length; i++) {
-                if ((cursorX >= rects[i].left) && (cursorX <= rects[i].right)) {
-                    var newPos = Position_atPoint(cursorX,rects[i].top + rects[i].height/2);
-                    if (newPos != null) {
-                        newPos = Position_closestMatchBackwards(newPos,Position_okForInsertion);
-                        newPos.targetX = cursorX;
-                        return newPos;
-                    }
-                }
-            }
-
-            var rightMost = findRightMostRect(rects);
-            if (rightMost != null) {
-                var newPos = Position_atPoint(rightMost.right,rightMost.top + rightMost.height/2);
-                if (newPos != null) {
-                    newPos = Position_closestMatchBackwards(newPos,Position_okForInsertion);
-                    newPos.targetX = cursorX;
-                    return newPos;
-                }
-            }
-
-
-            pos = new Position(paragraph.node,paragraph.startOffset);
-            pos = Position_prevMatch(pos,Position_okForMovement);
-        }
-    }
-
-    var findHighestTop = function(rects)
-    {
-        var top = null;
-        for (var i = 0; i < rects.length; i++) {
-            if ((top == null) || (top > rects[i].top))
-                top = rects[i].top;
-        }
-        return top;
-    }
-
-    var findLowestBottom = function(rects)
-    {
-        var bottom = null;
-        for (var i = 0; i < rects.length; i++) {
-            if ((bottom == null) || (bottom < rects[i].bottom))
-                bottom = rects[i].bottom;
-        }
-        return bottom;
-    }
-
-    var findRightMostRect = function(rects)
-    {
-        var rightMost = null;
-        for (var i = 0; i < rects.length; i++) {
-            if ((rightMost == null) || (rightMost.right < rects[i].right))
-                rightMost = rects[i];
-        }
-        return rightMost;
-    }
-
-    var offsetRects = function(rects,offsetX,offsetY)
-    {
-        var result = new Array();
-        for (var i = 0; i < rects.length; i++) {
-            result.push({ top: rects[i].top + offsetY,
-                          bottom: rects[i].bottom + offsetY,
-                          left: rects[i].left + offsetX,
-                          right: rects[i].right + offsetX,
-                          width: rects[i].width,
-                          height: rects[i].height });
-        }
-        return result;
-    }
-
-    Text_posBelow = function(pos,cursorRect,cursorX)
-    {
-        if (cursorX == null)
-            cursorX = pos.targetX;
-        pos = Position_closestMatchForwards(pos,Position_okForMovement);
-        if (cursorRect == null) {
-            cursorRect = Position_rectAtPos(pos);
-            if (cursorRect == null)
-                return null;
-        }
-
-        if (cursorX == null) {
-            cursorX = cursorRect.left;
-        }
-
-
-        while (true) {
-            pos = Position_closestMatchForwards(pos,Position_okForMovement);
-            if (pos == null)
-                return null;
-
-            var paragraph = Text_analyseParagraph(pos);
-            if (paragraph == null)
-                return null;
-
-            var rects = Paragraph_getRunOrFallbackRects(paragraph,pos);
-
-            rects = rects.filter(function (rect) {
-                return (rect.top >= cursorRect.bottom);
-            });
-
-            var top = findHighestTop(rects);
-
-            rects = rects.filter(function (rect) { return (rect.top == top); });
-
-            // Scroll next line into view, if necessary
-            var bottom = findLowestBottom(rects);
-            if (bottom > window.innerHeight) {
-                var offset = window.innerHeight - bottom;
-                window.scrollBy(0,-offset);
-                rects = offsetRects(rects,0,offset);
-            }
-
-            for (var i = 0; i < rects.length; i++) {
-                if ((cursorX >= rects[i].left) && (cursorX <= rects[i].right)) {
-                    var newPos = Position_atPoint(cursorX,rects[i].top + rects[i].height/2);
-                    if (newPos != null) {
-                        newPos = Position_closestMatchForwards(newPos,Position_okForInsertion);
-                        newPos.targetX = cursorX;
-                        return newPos;
-                    }
-                }
-            }
-
-            var rightMost = findRightMostRect(rects);
-            if (rightMost != null) {
-                var newPos = Position_atPoint(rightMost.right,rightMost.top + rightMost.height/2);
-                if (newPos != null) {
-                    newPos = Position_closestMatchForwards(newPos,Position_okForInsertion);
-                    newPos.targetX = cursorX;
-                    return newPos;
-                }
-            }
-
-            pos = new Position(paragraph.node,paragraph.endOffset);
-            pos = Position_nextMatch(pos,Position_okForMovement);
-        }
-    }
-
-    Text_closestPosBackwards = function(pos)
-    {
-        if (isNonWhitespaceTextNode(pos.node))
-            return pos;
-        var node;
-        if ((pos.node.nodeType == Node.ELEMENT_NODE) && (pos.offset > 0)) {
-            node = pos.node.childNodes[pos.offset-1];
-            while (node.lastChild != null)
-                node = node.lastChild;
-        }
-        else {
-            node = pos.node;
-        }
-        while ((node != null) && (node != document.body) && !isNonWhitespaceTextNode(node))
-            node = prevNode(node);
-
-        if ((node == null) || (node == document.body))
-            return null;
-        else
-            return new Position(node,node.nodeValue.length);
-    }
-
-    Text_closestPosForwards = function(pos)
-    {
-        if (isNonWhitespaceTextNode(pos.node))
-            return pos;
-        var node;
-        if ((pos.node.nodeType == Node.ELEMENT_NODE) && (pos.offset < pos.node.childNodes.length)) {
-            node = pos.node.childNodes[pos.offset];
-            while (node.firstChild != null)
-                node = node.firstChild;
-        }
-        else {
-            node = nextNodeAfter(pos.node);
-        }
-        while ((node != null) && !isNonWhitespaceTextNode(node)) {
-            var old = nodeString(node);
-            node = nextNode(node);
-        }
-
-        if (node == null)
-            return null;
-        else
-            return new Position(node,0);
-    }
-
-    Text_closestPosInDirection = function(pos,direction)
-    {
-        if ((direction == "forward") ||
-            (direction == "right") ||
-            (direction == "down")) {
-            return Text_closestPosForwards(pos);
-        }
-        else {
-            return Text_closestPosBackwards(pos);
-        }
-    }
-
-    Paragraph_runFromOffset = function(paragraph,offset,end)
-    {
-        if (paragraph.runs.length == 0)
-            throw new Error("Paragraph has no runs");
-        if (!end) {
-
-            for (var i = 0; i < paragraph.runs.length; i++) {
-                var run = paragraph.runs[i];
-                if ((offset >= run.start) && (offset < run.end))
-                    return run;
-                if ((i == paragraph.runs.length-1) && (offset == run.end))
-                    return run;
-            }
-
-        }
-        else {
-
-            for (var i = 0; i < paragraph.runs.length; i++) {
-                var run = paragraph.runs[i];
-                if ((offset > run.start) && (offset <= run.end))
-                    return run;
-                if ((i == 0) && (offset == 0))
-                    return run;
-            }
-
-        }
-    }
-
-    Paragraph_runFromNode = function(paragraph,node)
-    {
-        for (var i = 0; i < paragraph.runs.length; i++) {
-            if (paragraph.runs[i].node == node)
-                return paragraph.runs[i];
-        }
-        throw new Error("Run for text node not found");
-    }
-
-    Paragraph_positionAtOffset = function(paragraph,offset,end)
-    {
-        var run = Paragraph_runFromOffset(paragraph,offset,end);
-        if (run == null)
-            throw new Error("Run at offset "+offset+" not found");
-        return new Position(run.node,offset-run.start);
-    }
-
-    Paragraph_offsetAtPosition = function(paragraph,pos)
-    {
-        var run = Paragraph_runFromNode(paragraph,pos.node);
-        return run.start + pos.offset;
-    }
-
-    Paragraph_getRunRects = function(paragraph)
-    {
-        var rects = new Array();
-        for (var i = 0; i < paragraph.runs.length; i++) {
-            var run = paragraph.runs[i];
-            var runRange = new Range(run.node,0,run.node,run.node.nodeValue.length);
-            var runRects = Range_getClientRects(runRange);
-            Array.prototype.push.apply(rects,runRects);
-        }
-        return rects;
-    }
-
-    Paragraph_getRunOrFallbackRects = function(paragraph,pos)
-    {
-        var rects = Paragraph_getRunRects(paragraph);
-        if ((rects.length == 0) && (paragraph.node.nodeType == Node.ELEMENT_NODE)) {
-            if (isBlockNode(paragraph.node) &&
-                (paragraph.startOffset == 0) &&
-                (paragraph.endOffset == paragraph.node.childNodes.length)) {
-                rects = [paragraph.node.getBoundingClientRect()];
-            }
-            else {
-                var beforeNode = paragraph.node.childNodes[paragraph.startOffset-1];
-                var afterNode = paragraph.node.childNodes[paragraph.endOffset];
-                if ((afterNode != null) && isBlockNode(afterNode)) {
-                    rects = [afterNode.getBoundingClientRect()];
-                }
-                else if ((beforeNode != null) && isBlockNode(beforeNode)) {
-                    rects = [beforeNode.getBoundingClientRect()];
-                }
-            }
-        }
-        return rects;
-    }
-
-    function toStartOfParagraph(pos)
-    {
-        pos = Position_closestMatchBackwards(pos,Position_okForMovement);
-        if (pos == null)
-            return null;
-        var paragraph = Text_analyseParagraph(pos);
-        if (paragraph == null)
-            return null;
-
-        var newPos = new Position(paragraph.node,paragraph.startOffset);
-        return Position_closestMatchForwards(newPos,Position_okForMovement);
-    }
-
-    function toEndOfParagraph(pos)
-    {
-        pos = Position_closestMatchForwards(pos,Position_okForMovement);
-        if (pos == null)
-            return null;
-        var paragraph = Text_analyseParagraph(pos);
-        if (paragraph == null)
-            return null;
-
-        var newPos = new Position(paragraph.node,paragraph.endOffset);
-        return Position_closestMatchBackwards(newPos,Position_okForMovement);
-    }
-
-    function toStartOfLine(pos)
-    {
-        var posRect = Position_rectAtPos(pos);
-        if (posRect == null) {
-            pos = Text_closestPosBackwards(pos);
-            posRect = Position_rectAtPos(pos);
-            if (posRect == null) {
-                return null;
-            }
-        }
-
-        while (true) {
-            var check = Position_prevMatch(pos,Position_okForMovement);
-            var checkRect = Position_rectAtPos(check); // handles check == null case
-            if (checkRect == null)
-                return pos;
-            if ((checkRect.bottom <= posRect.top) || (checkRect.top >= posRect.bottom))
-                return pos;
-            pos = check;
-        }
-    }
-
-    function toEndOfLine(pos)
-    {
-        var posRect = Position_rectAtPos(pos);
-        if (posRect == null) {
-            pos = Text_closestPosForwards(pos);
-            posRect = Position_rectAtPos(pos);
-            if (posRect == null) {
-                return null;
-            }
-        }
-
-        while (true) {
-            var check = Position_nextMatch(pos,Position_okForMovement);
-            var checkRect = Position_rectAtPos(check); // handles check == null case
-            if (checkRect == null)
-                return pos;
-            if ((checkRect.bottom <= posRect.top) || (checkRect.top >= posRect.bottom))
-                return pos;
-            pos = check;
-        }
-    }
-
-    Text_toStartOfBoundary = function(pos,boundary)
-    {
-        if (boundary == "paragraph")
-            return toStartOfParagraph(pos);
-        else if (boundary == "line")
-            return toStartOfLine(pos);
-        else
-            throw new Error("Unsupported boundary: "+boundary);
-    }
-
-    Text_toEndOfBoundary = function(pos,boundary)
-    {
-        if (boundary == "paragraph")
-            return toEndOfParagraph(pos);
-        else if (boundary == "line")
-            return toEndOfLine(pos);
-        else
-            throw new Error("Unsupported boundary: "+boundary);
-    }
-
-})();

http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/26f461e7/experiments/Editor/src/UndoManager.js
----------------------------------------------------------------------
diff --git a/experiments/Editor/src/UndoManager.js b/experiments/Editor/src/UndoManager.js
deleted file mode 100644
index 9f63c43..0000000
--- a/experiments/Editor/src/UndoManager.js
+++ /dev/null
@@ -1,270 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements.  See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership.  The ASF licenses this file
-// to you under the Apache License, Version 2.0 (the
-// "License"); you may not use this file except in compliance
-// with the License.  You may obtain a copy of the License at
-//
-//   http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing,
-// software distributed under the License is distributed on an
-// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-// KIND, either express or implied.  See the License for the
-// specific language governing permissions and limitations
-// under the License.
-
-// FIXME: place a limit on the number of undo steps recorded - say, 30-50?
-
-var UndoManager_getLength;
-var UndoManager_getIndex;
-var UndoManager_setIndex;
-var UndoManager_print;
-var UndoManager_undo;
-var UndoManager_redo;
-var UndoManager_addAction;
-var UndoManager_newGroup;
-var UndoManager_groupType;
-var UndoManager_disableWhileExecuting;
-var UndoManager_isActive;
-var UndoManager_isDisabled;
-var UndoManager_clear;
-var UndoManager_setProperty;
-var UndoManager_deleteProperty;
-
-(function() {
-
-    var UNDO_LIMIT = 50;
-
-    function UndoGroup(type,onClose)
-    {
-        this.type = type;
-        this.onClose = onClose;
-        this.actions = new Array();
-    }
-
-    function UndoAction(fun,args)
-    {
-        this.fun = fun;
-        this.args = args;
-    }
-
-    UndoAction.prototype.toString = function()
-    {
-        var name;
-        if (this.fun.wrappedName != null)
-            name = this.fun.wrappedName;
-        else
-            name = this.fun.name;
-
-        var argStrings = new Array();
-        for (var i = 0; i < this.args.length; i++) {
-            if (this.args[i] instanceof Node)
-                argStrings.push(nodeString(this.args[i]));
-            else if (this.args[i] == null)
-                argStrings.push("null");
-            else
-                argStrings.push(this.args[i].toString());
-        }
-
-        return name + "(" + argStrings.join(",") + ")";
-    }
-
-    var undoStack = new Array();
-    var redoStack = new Array();
-    var inUndo = false;
-    var inRedo = false;
-    var currentGroup = null;
-    var disabled = 0;
-
-    // public
-    UndoManager_getLength = function()
-    {
-        return undoStack.length + redoStack.length;
-    }
-
-    // public
-    UndoManager_getIndex = function()
-    {
-        return undoStack.length;
-    }
-
-    // public
-    UndoManager_setIndex = function(index)
-    {
-        while (undoStack.length > index)
-            UndoManager_undo();
-        while (undoStack.length < index)
-            UndoManager_redo();
-    }
-
-    // public
-    UndoManager_print = function()
-    {
-        debug("");
-        debug("--------------------------------------------------------------------");
-        debug("Undo stack:");
-        for (var groupIndex = 0; groupIndex < undoStack.length; groupIndex++) {
-            var group = undoStack[groupIndex];
-            debug("    "+group.type);
-            for (var actionIndex = 0; actionIndex < group.actions.length; actionIndex++) {
-                var action = group.actions[actionIndex];
-                debug("        "+action);
-            }
-        }
-        debug("Redo stack:");
-        for (var groupIndex = 0; groupIndex < redoStack.length; groupIndex++) {
-            var group = redoStack[groupIndex];
-            debug("    "+group.type);
-            for (var actionIndex = 0; actionIndex < group.actions.length; actionIndex++) {
-                var action = group.actions[actionIndex];
-                debug("        "+action);
-            }
-        }
-        debug("Current group = "+currentGroup);
-        debug("--------------------------------------------------------------------");
-        debug("");
-    }
-
-    function closeCurrentGroup()
-    {
-        if ((currentGroup != null) && (currentGroup.onClose != null))
-            currentGroup.onClose();
-        currentGroup = null;
-    }
-
-    // public
-    UndoManager_undo = function()
-    {
-        closeCurrentGroup();
-        if (undoStack.length > 0) {
-            var group = undoStack.pop();
-            inUndo = true;
-            for (var i = group.actions.length-1; i >= 0; i--)
-                group.actions[i].fun.apply(null,group.actions[i].args);
-            inUndo = false;
-        }
-        closeCurrentGroup();
-    }
-
-    // public
-    UndoManager_redo = function()
-    {
-        closeCurrentGroup();
-        if (redoStack.length > 0) {
-            var group = redoStack.pop();
-            inRedo = true;
-            for (var i = group.actions.length-1; i >= 0; i--)
-                group.actions[i].fun.apply(null,group.actions[i].args);
-            inRedo = false;
-        }
-        closeCurrentGroup();
-    }
-
-    // public
-    UndoManager_addAction = function(fun)
-    {
-        if (disabled > 0)
-            return;
-
-        // remaining parameters after fun are arguments to be supplied to fun
-        var args = new Array();
-        for (var i = 1; i < arguments.length; i++)
-            args.push(arguments[i]);
-
-        if (!inUndo && !inRedo && (redoStack.length > 0))
-            redoStack.length = 0;
-
-        var stack = inUndo ? redoStack : undoStack;
-        if (currentGroup == null)
-            UndoManager_newGroup(null);
-
-        // Only add a group to the undo stack one it has at least one action, to avoid having
-        // empty groups present.
-        if (currentGroup.actions.length == 0) {
-            if (!inUndo && !inRedo && (stack.length == UNDO_LIMIT))
-                stack.shift();
-            stack.push(currentGroup);
-        }
-
-        currentGroup.actions.push(new UndoAction(fun,args));
-    }
-
-    // public
-    UndoManager_newGroup = function(type,onClose)
-    {
-        if (disabled > 0)
-            return;
-
-        closeCurrentGroup();
-
-        // We don't actually add the group to the undo stack until the first request to add an
-        // action to it. This way we don't end up with empty groups in the undo stack, which
-        // simplifies logic for moving back and forward through the undo history.
-
-        if ((type == null) || (type == ""))
-            type = "Anonymous";
-        currentGroup = new UndoGroup(type,onClose);
-    }
-
-    // public
-    UndoManager_groupType = function()
-    {
-        if (undoStack.length > 0)
-            return undoStack[undoStack.length-1].type;
-        else
-            return null;
-    }
-
-    UndoManager_disableWhileExecuting = function(fun) {
-        disabled++;
-        try {
-            return fun();
-        }
-        finally {
-            disabled--;
-        }
-    }
-
-    UndoManager_isActive = function()
-    {
-        return (inUndo || inRedo);
-    }
-
-    UndoManager_isDisabled = function() {
-        return (disabled > 0);
-    }
-
-    UndoManager_clear = function() {
-        undoStack.length = 0;
-        redoStack.length = 0;
-    }
-
-    function saveProperty(obj,name)
-    {
-        if (obj.hasOwnProperty(name))
-            UndoManager_addAction(UndoManager_setProperty,obj,name,obj[name]);
-        else
-            UndoManager_addAction(UndoManager_deleteProperty,obj,name);
-    }
-
-    UndoManager_setProperty = function(obj,name,value)
-    {
-        if (obj.hasOwnProperty(name) && (obj[name] == value))
-            return; // no point in adding an undo action
-        saveProperty(obj,name);
-        obj[name] = value;
-    }
-
-    UndoManager_deleteProperty = function(obj,name)
-    {
-        if (!obj.hasOwnProperty(name))
-            return; // no point in adding an undo action
-        saveProperty(obj,name);
-        delete obj[name];
-    }
-
-})();
-
-window.undoSupported = true;

http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/26f461e7/experiments/Editor/src/Viewport.js
----------------------------------------------------------------------
diff --git a/experiments/Editor/src/Viewport.js b/experiments/Editor/src/Viewport.js
deleted file mode 100644
index 47fbdfd..0000000
--- a/experiments/Editor/src/Viewport.js
+++ /dev/null
@@ -1,80 +0,0 @@
-// Licensed to the Apache Software Foundation (ASF) under one
-// or more contributor license agreements.  See the NOTICE file
-// distributed with this work for additional information
-// regarding copyright ownership.  The ASF licenses this file
-// to you under the Apache License, Version 2.0 (the
-// "License"); you may not use this file except in compliance
-// with the License.  You may obtain a copy of the License at
-//
-//   http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing,
-// software distributed under the License is distributed on an
-// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-// KIND, either express or implied.  See the License for the
-// specific language governing permissions and limitations
-// under the License.
-
-var Viewport_init;
-var Viewport_setViewportWidth;
-var Viewport_setTextScale;
-
-(function() {
-
-    var viewportMetaElement = null;
-
-    // public
-    Viewport_init = function(width,textScale)
-    {
-        var head = DOM_documentHead(document);
-        for (var child = head.firstChild; child != null; child = child.nextSibling) {
-            if ((child._type == HTML_META) && (child.getAttribute("name") == "viewport")) {
-                viewportMetaElement = child;
-                break;
-            }
-        }
-
-        if (viewportMetaElement == null) {
-            viewportMetaElement = DOM_createElement(document,"META");
-            DOM_setAttribute(viewportMetaElement,"name","viewport");
-            DOM_appendChild(head,viewportMetaElement);
-        }
-
-        if (width != 0) {
-            // Only set the width and text scale if they are not already set, to avoid triggering
-            // an extra layout at load time
-            var contentValue = "width = "+width+", user-scalable = no";
-            if (viewportMetaElement.getAttribute("content") != contentValue)
-                DOM_setAttribute(viewportMetaElement,"content",contentValue);
-        }
-
-        if (textScale != 0) {
-            var pct = textScale+"%";
-            if (document.documentElement.style.getPropertyValue("-webkit-text-size-adjust") != pct)
-                DOM_setStyleProperties(document.documentElement,{"-webkit-text-size-adjust": pct});
-        }
-    }
-
-    // public
-    Viewport_setViewportWidth = function(width)
-    {
-        var contentValue = "width = "+width+", user-scalable = no";
-        if (viewportMetaElement.getAttribute("content") != contentValue)
-            DOM_setAttribute(viewportMetaElement,"content",contentValue);
-
-        Selection_update();
-        Cursor_ensureCursorVisible();
-    }
-
-    // public
-    Viewport_setTextScale = function(textScale)
-    {
-        var pct = textScale+"%";
-        if (document.documentElement.style.getPropertyValue("-webkit-text-size-adjust") != pct)
-            DOM_setStyleProperties(document.documentElement,{"-webkit-text-size-adjust": pct});
-
-        Selection_update();
-        Cursor_ensureCursorVisible();
-    }
-
-})();

http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/26f461e7/experiments/Editor/src/check-dom-methods.sh
----------------------------------------------------------------------
diff --git a/experiments/Editor/src/check-dom-methods.sh b/experiments/Editor/src/check-dom-methods.sh
deleted file mode 100755
index 6e17a4e..0000000
--- a/experiments/Editor/src/check-dom-methods.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/bash
-jsgrep -F '.createElement' | grep -vF '// check-ok'
-jsgrep -F '.createTextNode' | grep -vF '// check-ok'
-jsgrep -F '.createComment' | grep -vF '// check-ok'
-jsgrep -F '.appendChild' | grep -vF '// check-ok'
-jsgrep -F '.insertBefore' | grep -vF '// check-ok'
-jsgrep -F '.removeChild' | grep -vF '// check-ok'
-jsgrep -F '.cloneNode' | grep -vF '// check-ok'
-jsgrep -F '.nodeName' | grep -vE '(dtdsource/|tests/|treevis/)' | grep -vF '// check-ok'
-jsgrep -F '.setAttribute' | grep -vE '(dtdsource/|treevis/|docx/)' | grep -vF '// check-ok'
-jsgrep -F '.removeAttribute' | grep -vE '(dtdsource/|treevis/|docx/)' | grep -vF '// check-ok'
-jsgrep -F '.setProperty' | grep -vE '(dtdsource/|treevis/)' | grep -vF '// check-ok'
-jsgrep -F '.removeProperty' | grep -vE '(dtdsource/|treevis/)' | grep -vF '// check-ok'
-jsgrep -E '\.style\[.* = ' | grep -vE '(treevis/|docx/)' | grep -vF '// check-ok'
-jsgrep -E '\.style\..* = ' | grep -vE '(treevis/|docx/)' | grep -vF '// check-ok'