118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
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// Taken from pageInfo.js
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//******** define a js object to implement nsITreeView
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function treeView(columnids, copycol)
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{
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// columnids is an array of strings indicating the names of the columns, in order
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this.columnids = columnids;
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this.colcount = columnids.length;
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// copycol is the index number for the column that we want to add to
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// the copy-n-paste buffer when the user hits accel-c
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this.copycol = copycol;
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this.rows = 0;
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this.tree = null;
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this.data = [ ];
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this.selection = null;
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this.sortcol = null;
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this.sortdir = 0;
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}
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treeView.prototype = {
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set rowCount(c) { throw "rowCount is a readonly property"; },
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get rowCount() { return this.rows; },
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setTree: function(tree)
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{
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this.tree = tree;
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},
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getCellText: function(row, column)
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{
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// row can be null, but js arrays are 0-indexed.
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// colidx cannot be null, but can be larger than the number
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// of columns in the array (when column is a string not in
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// this.columnids.) In this case it's the fault of
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// whoever typoed while calling this function.
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return this.data[row][column.index] || "";
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},
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setCellValue: function(row, column, value)
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{
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},
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setCellText: function(row, column, value)
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{
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this.data[row][column.index] = value;
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},
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addRow: function(row)
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{
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this.rows = this.data.push(row);
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this.rowCountChanged(this.rows - 1, 1);
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},
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addRows: function(rows)
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{
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var length = rows.length;
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for(var i = 0; i < length; i++)
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this.rows = this.data.push(rows[i]);
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this.rowCountChanged(this.rows - length, length);
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},
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rowCountChanged: function(index, count)
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{
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this.tree.rowCountChanged(index, count);
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},
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invalidate: function()
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{
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this.tree.invalidate();
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},
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clear: function()
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{
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if (this.tree)
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this.tree.rowCountChanged(0, -this.rows);
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this.rows = 0;
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this.data = [ ];
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},
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handleCopy: function(row)
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{
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return (row < 0 || this.copycol < 0) ? "" : (this.data[row][this.copycol] || "");
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},
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performActionOnRow: function(action, row)
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{
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if (action == "copy") {
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var data = this.handleCopy(row)
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this.tree.treeBody.parentNode.setAttribute("copybuffer", data);
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}
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},
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getRowProperties: function(row, prop) { },
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getCellProperties: function(row, column, prop) { },
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getColumnProperties: function(column, prop) { },
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isContainer: function(index) { return false; },
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isContainerOpen: function(index) { return false; },
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isSeparator: function(index) { return false; },
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isSorted: function() { },
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canDrop: function(index, orientation) { return false; },
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drop: function(row, orientation) { return false; },
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getParentIndex: function(index) { return 0; },
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hasNextSibling: function(index, after) { return false; },
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getLevel: function(index) { return 0; },
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getImageSrc: function(row, column) { },
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getProgressMode: function(row, column) { },
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getCellValue: function(row, column) { },
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toggleOpenState: function(index) { },
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cycleHeader: function(col) { },
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selectionChanged: function() { },
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cycleCell: function(row, column) { },
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isEditable: function(row, column) { return false; },
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isSelectable: function(row, column) { return false; },
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performAction: function(action) { },
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performActionOnCell: function(action, row, column) { }
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};
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