274 lines
8.1 KiB
JavaScript
274 lines
8.1 KiB
JavaScript
var ScholarLocalizedStrings;
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var myTreeView;
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var dynamicBox;
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Scholar.TreeView = function()
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{
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this._treebox = null;
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this._dataObjects = new Array();
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this.rowCount = 0;
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}
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Scholar.TreeView.prototype.setTree = function(treebox)
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{
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if(this._treebox)
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return;
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this._treebox = treebox;
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var newRows = Scholar.Items.getTreeRows();
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for(var i = 0; i < newRows.length; i++)
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this._insertItem(newRows[i], 0, i+1); //object ref, isContainerOpen, level
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this.rowCount = this._dataObjects.length;
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}
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Scholar.TreeView.prototype.getCellText = function(row, column)
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{
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var obj = this._getObjectAtRow(row);
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if(obj.isFolder())
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{
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if(column.id == "title_column")
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return obj.getName();
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else
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return "";
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}
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else
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{
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if(column.id == "title_column")
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return obj.getField("title");
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else if(column.id == "creator_column")
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return obj.getField("firstCreator");
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else
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return obj.getField("source");
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}
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}
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Scholar.TreeView.prototype.isContainer = function(row) { return this._getObjectAtRow(row).isFolder(); }
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Scholar.TreeView.prototype.isContainerOpen = function(row) { return this._dataObjects[row][1]; }
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Scholar.TreeView.prototype.isContainerEmpty = function(row) { return (this.isContainer(row) && this._getObjectAtRow(row).isEmpty()); }
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Scholar.TreeView.prototype.getLevel = function(row) { return this._dataObjects[row][2]; }
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Scholar.TreeView.prototype.getParentIndex = function(row)
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{
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var thisLevel = this.getLevel(row);
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if(thisLevel == 0) return -1;
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for(var i = row - 1; i >= 0; i--)
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if(this.getLevel(i) < thisLevel)
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return i;
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return -1;
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}
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Scholar.TreeView.prototype.hasNextSibling = function(row, afterIndex)
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{
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var thisLevel = this.getLevel(row);
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for(var i = afterIndex + 1; i < this.rowCount; i++)
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{
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var nextLevel = this.getLevel(i);
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if(nextLevel == thisLevel) return true;
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else if(nextLevel < thisLevel) return false;
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}
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}
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Scholar.TreeView.prototype.toggleOpenState = function(row)
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{
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var count = 0; //used to tell the tree how many rows were added/removed
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var thisLevel = this.getLevel(row);
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if(this.isContainerOpen(row))
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{
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while((row + 1 < this._dataObjects.length) && (this.getLevel(row + 1) > thisLevel))
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{
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this._deleteItem(row+1);
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count--; //count is negative when closing a container because we are removing rows
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}
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}
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else
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{
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var newRows = Scholar.Items.getTreeRows(this._getObjectAtRow(row).getID()); //Get children
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for(var i = 0; i < newRows.length; i++)
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{
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count++;
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this._insertItem(newRows[i], thisLevel+1, row+i+1); //insert new row
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}
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}
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this._dataObjects[row][1] = !this._dataObjects[row][1]; //toggle container open value
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this.rowCount = this._dataObjects.length;
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this._treebox.rowCountChanged(row, count); //tell treebox to repaint these
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}
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Scholar.TreeView.prototype.selectionChanged = function()
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{
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if(this.selection.count == 1 && !this.isContainer(this.selection.currentIndex))
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{
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populateObjectPane(this._getObjectAtRow(this.selection.currentIndex));
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document.getElementById('scholar-sidebar-object-pane').hidden = false;
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}
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else
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{
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document.getElementById('scholar-sidebar-object-pane').hidden = true;
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}
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}
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Scholar.TreeView.prototype._insertItem = function(item, level, beforeRow) { this._dataObjects.splice(beforeRow, 0, [item, false, level]); }
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Scholar.TreeView.prototype._deleteItem = function(row) { this._dataObjects.splice(row,1);; }
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Scholar.TreeView.prototype._getObjectAtRow = function(row) { return this._dataObjects[row][0]; }
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Scholar.TreeView.prototype.isSorted = function() { return false; }
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Scholar.TreeView.prototype.isSeparator = function(row) { return false; }
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Scholar.TreeView.prototype.isEditable = function(row, idx) { return false; }
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Scholar.TreeView.prototype.getRowProperties = function(row, prop) { }
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Scholar.TreeView.prototype.getColumnProperties = function(col, prop) { }
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Scholar.TreeView.prototype.getCellProperties = function(row, col, prop) { }
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Scholar.TreeView.prototype.getImageSrc = function(row, col) { }
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Scholar.TreeView.prototype.performAction = function(action) { }
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Scholar.TreeView.prototype.performActionOnCell = function(action, row, col) { }
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Scholar.TreeView.prototype.getProgressMode = function(row, col) { }
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/*
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DRAG AND DROP (IMPLEMENT LATER)
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Scholar.TreeView.prototype.canDrop = function(row, orient) { return !orient; }
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Scholar.TreeView.prototype.drop = function(row, orient) { }
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*/
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function populateObjectPane(thisRow)
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{
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removeDynamicRows();
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var fieldNames = getFullFieldList(thisRow);
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for(var i = 0; i<fieldNames.length; i++)
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{
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if(thisRow.getField(fieldNames[i]) != "")
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{
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var label = document.createElement("label");
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label.setAttribute("value",ScholarLocalizedStrings.getString("objectFields."+fieldNames[i])+":");
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var valueElement = document.createElement("description");
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valueElement.appendChild(document.createTextNode(thisRow.getField(fieldNames[i])));
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var row = document.createElement("row");
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row.appendChild(label);
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row.appendChild(valueElement);
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row.setAttribute("id","dynamic-"+fieldNames[i]);
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dynamicBox.appendChild(row);
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}
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}
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var beforeField = dynamicBox.firstChild.nextSibling;
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for (var i=0,len=thisRow.numCreators(); i<len; i++)
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{
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var creator = thisRow.getCreator(i);
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var label = document.createElement("label");
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label.setAttribute("value","Creator:");
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var valueElement = document.createElement("description");
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valueElement.appendChild(document.createTextNode(creator.lastName+", "+creator.firstName));
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var row = document.createElement("row");
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row.appendChild(label);
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row.appendChild(valueElement);
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dynamicBox.insertBefore(row, beforeField);
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}
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}
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function editSelectedRow()
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{
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document.getElementById('view-pane').hidden = true;
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document.getElementById('edit-button').hidden = true;
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document.getElementById('edit-pane').hidden = false;
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var thisRow = myTreeView._getObjectAtRow(myTreeView.selection.currentIndex);
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removeDynamicRows();
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var fieldNames = getFullFieldList(thisRow);
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for(var i = 0; i<fieldNames.length; i++)
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{
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var label = document.createElement("label");
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label.setAttribute("value",ScholarLocalizedStrings.getString("objectFields."+fieldNames[i])+":");
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label.setAttribute("control","dynamic-field-"+i);
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var valueElement = document.createElement("textbox");
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valueElement.setAttribute("value",thisRow.getField(fieldNames[i]));
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valueElement.setAttribute("id","dynamic-field-"+i);
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//valueElement.setAttribute("fieldName",fieldNames[i])
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var row = document.createElement("row");
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row.appendChild(label);
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row.appendChild(valueElement);
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dynamicBox.appendChild(row);
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}
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var beforeField = dynamicBox.firstChild;
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beforeField = beforeField.nextSibling;
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for (var i=0,len=thisRow.numCreators(); i<len; i++)
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{
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var creator = thisRow.getCreator(i);
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var label = document.createElement("label");
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label.setAttribute("value","Creator:");
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label.setAttribute("control","dynamic-creator-"+i);
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var valueElement = document.createElement("textbox");
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valueElement.setAttribute("value",creator.lastName+", "+creator.firstName);
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valueElement.setAttribute("id","dynamic-field-"+i);
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var row = document.createElement("row");
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row.appendChild(label);
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row.appendChild(valueElement);
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dynamicBox.insertBefore(row, beforeField);
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}
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}
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function removeDynamicRows()
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{
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while(dynamicBox.hasChildNodes())
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dynamicBox.removeChild(dynamicBox.firstChild);
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}
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function getFullFieldList(item)
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{
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var fields = Scholar.ItemFields.getItemTypeFields(item.getField("itemTypeID"));
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var fieldNames = new Array("title","dateAdded","dateModified","source","rights");
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for(var i = 0; i<fields.length; i++)
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fieldNames.push(Scholar.ItemFields.getName(fields[i]));
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return fieldNames;
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}
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function returnToTree()
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{
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document.getElementById('view-pane').hidden = false;
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document.getElementById('edit-button').hidden = false;
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document.getElementById('edit-pane').hidden = true;
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populateObjectPane(myTreeView._getObjectAtRow(myTreeView.selection.currentIndex));
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}
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function setView()
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{
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myTreeView = new Scholar.TreeView();
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ScholarLocalizedStrings = document.getElementById('scholar-strings');
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dynamicBox = document.getElementById('dynamic-fields');
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document.getElementById('scholar-sidebar-items').view=myTreeView;
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}
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Scholar.testString = 'Sidebar is registered.'; |