gecko/editor/ui/dialogs/content/EdSelectProps.js

791 lines
25 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Selection List Properties Dialog.
*
* The Initial Developer of the Original Code is
* Neil Rashbrook.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s): Neil Rashbrook <neil@parkwaycc.co.uk>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// Global variables
var atomService = Components.classes["@mozilla.org/atom-service;1"]
.getService(Components.interfaces.nsIAtomService);
var checkedAtoms = {
"false": atomService.getAtom("checked-false"),
"true": atomService.getAtom("checked-true")};
var hasValue;
var oldValue;
var insertNew;
var itemArray;
var treeBoxObject;
var treeSelection;
var selectElement;
var currentItem = null;
var selectedOption = null;
var selectedOptionCount = 0;
// Utility functions
function getParentIndex(index)
{
switch (itemArray[index].level)
{
case 0: return -1;
case 1: return 0;
}
while (itemArray[--index].level > 1);
return index;
}
function UpdateSelectMultiple()
{
if (selectedOptionCount > 1)
{
gDialog.selectMultiple.checked = true;
gDialog.selectMultiple.disabled = true;
}
else
gDialog.selectMultiple.disabled = false;
}
/* wrapper objects:
* readonly attribute Node element; // DOM node (select/optgroup/option)
* readonly attribute int level; // tree depth
* readonly attribute boolean container; // can contain options
* string getCellText(string col); // tree view helper
* string cycleCell(int currentIndex); // tree view helper
* void onFocus(); // load data into deck
* void onBlur(); // save data from deck
* boolean canDestroy(boolean prompt); // NB prompt not used
* void destroy(); // post remove callback
* void moveUp();
* boolean canMoveDown();
* void moveDown();
* void appendOption(newElement, currentIndex);
*/
// OPTION element wrapper object
// Create a wrapper for the given element at the given level
function optionObject(option, level)
{
// select an added option (when loading from document)
if (option.hasAttribute("selected"))
selectedOptionCount++;
this.level = level;
this.element = option;
}
optionObject.prototype.container = false;
optionObject.prototype.getCellText = function getCellText(column)
{
if (column.id == "SelectSelCol")
return "";
if (column.id == "SelectValCol" && this.element.hasAttribute("value"))
return this.element.getAttribute("value");
return this.element.text;
}
optionObject.prototype.cycleCell = function cycleCell(index)
{
if (this.element.hasAttribute("selected"))
{
this.element.removeAttribute("selected");
selectedOptionCount--;
selectedOption = null;
}
else
{
// Different handling for multiselect lists
if (gDialog.selectMultiple.checked || !selectedOption)
selectedOptionCount++;
else if (selectedOption)
{
selectedOption.removeAttribute("selected");
var column = treeBoxObject.columns["SelectSelCol"];
treeBoxObject.invalidateColumn(column);
selectedOption = null;
}
this.element.setAttribute("selected", "");
selectedOption = this.element;
var column = treeBoxObject.columns["SelectSelCol"];
treeBoxObject.invalidateCell(index, column);
}
if (currentItem == this)
// Also update the deck
gDialog.optionSelected.setAttribute("checked", this.element.hasAttribute("selected"));
UpdateSelectMultiple();
};
optionObject.prototype.onFocus = function onFocus()
{
gDialog.optionText.value = this.element.text;
hasValue = this.element.hasAttribute("value");
oldValue = this.element.value;
gDialog.optionHasValue.checked = hasValue;
gDialog.optionValue.value = hasValue ? this.element.value : this.element.text;
gDialog.optionSelected.checked = this.element.hasAttribute("selected");
gDialog.optionDisabled.checked = this.element.hasAttribute("disabled");
gDialog.selectDeck.setAttribute("selectedIndex", "2");
};
optionObject.prototype.onBlur = function onBlur()
{
this.element.text = gDialog.optionText.value;
if (gDialog.optionHasValue.checked)
this.element.value = gDialog.optionValue.value;
else
this.element.removeAttribute("value");
if (gDialog.optionSelected.checked)
this.element.setAttribute("selected", "");
else
this.element.removeAttribute("selected");
if (gDialog.optionDisabled.checked)
this.element.setAttribute("disabled", "");
else
this.element.removeAttribute("disabled");
};
optionObject.prototype.canDestroy = function canDestroy(prompt)
{
return true;
/*return !prompt ||
ConfirmWithTitle(GetString("DeleteOption"),
GetString("DeleteOptionMsg"),
GetString("DeleteOption"));*/
};
optionObject.prototype.destroy = function destroy()
{
// Deselect a removed option
if (this.element.hasAttribute("selected"))
{
selectedOptionCount--;
selectedOption = null;
UpdateSelectMultiple();
}
};
/* 4 cases:
* a) optgroup -> optgroup
* ... ...
* option option
* b) optgroup -> option
* option optgroup
* ... ...
* c) option
* option
* d) option
* option
*/
optionObject.prototype.moveUp = function moveUp()
{
var i;
var index = treeSelection.currentIndex;
if (itemArray[index].level < itemArray[index - 1].level + itemArray[index - 1].container)
{
// we need to repaint the tree's lines
treeBoxObject.invalidateRange(getParentIndex(index), index);
// a) option is just after an optgroup, so it becomes the last child
itemArray[index].level = 2;
treeBoxObject.view.selectionChanged();
}
else
{
// otherwise new option level is now the same as the previous item
itemArray[index].level = itemArray[index - 1].level;
// swap the option with the previous item
itemArray.splice(index, 0, itemArray.splice(--index, 1)[0]);
}
selectTreeIndex(index, true);
}
optionObject.prototype.canMoveDown = function canMoveDown()
{
// move down is not allowed on the last option if its level is 1
return this.level > 1 || itemArray.length - treeSelection.currentIndex > 1;
}
optionObject.prototype.moveDown = function moveDown()
{
var i;
var index = treeSelection.currentIndex;
if (index + 1 == itemArray.length || itemArray[index].level > itemArray[index + 1].level)
{
// we need to repaint the tree's lines
treeBoxObject.invalidateRange(getParentIndex(index), index);
// a) option is last child of an optgroup, so it moves just after
itemArray[index].level = 1;
treeBoxObject.view.selectionChanged();
}
else
{
// level increases if the option was preceding an optgroup
itemArray[index].level += itemArray[index + 1].container;
// swap the option with the next item
itemArray.splice(index, 0, itemArray.splice(++index, 1)[0]);
}
selectTreeIndex(index, true);
}
optionObject.prototype.appendOption = function appendOption(child, parent)
{
// special case quick check
if (this.level == 1)
return gDialog.appendOption(child, 0);
// append the option to the parent element
parent = getParentIndex(parent);
return itemArray[parent].appendOption(child, parent);
};
// OPTGROUP element wrapper object
function optgroupObject(optgroup)
{
this.element = optgroup;
}
optgroupObject.prototype.level = 1;
optgroupObject.prototype.container = true;
optgroupObject.prototype.getCellText = function getCellText(column)
{
return column.id == "SelectTextCol" ? this.element.label : "";
}
optgroupObject.prototype.cycleCell = function cycleCell(index)
{
};
optgroupObject.prototype.onFocus = function onFocus()
{
gDialog.optgroupLabel.value = this.element.label;
gDialog.optgroupDisabled.checked = this.element.disabled;
gDialog.selectDeck.setAttribute("selectedIndex", "1");
};
optgroupObject.prototype.onBlur = function onBlur()
{
this.element.label = gDialog.optgroupLabel.value;
this.element.disabled = gDialog.optgroupDisabled.checked;
};
optgroupObject.prototype.canDestroy = function canDestroy(prompt)
{
// Only removing empty option groups for now
return gDialog.nextChild(treeSelection.currentIndex) - treeSelection.currentIndex == 1;
/*&& (!prompt ||
ConfirmWithTitle(GetString("DeleteOptGroup"),
GetString("DeleteOptGroupMsg"),
GetString("DeleteOptGroup")));
*/
};
optgroupObject.prototype.destroy = function destroy()
{
};
optgroupObject.prototype.moveUp = function moveUp()
{
// Find the index of the previous and next elements at the same level
var index = treeSelection.currentIndex;
var i = index;
while (itemArray[--index].level > 1);
var j = gDialog.nextChild(i);
// Cut out the element, cut the array in two, then join together
var movedItems = itemArray.splice(i, j - i);
var endItems = itemArray.splice(index);
itemArray = itemArray.concat(movedItems).concat(endItems);
// Repaint the lot
treeBoxObject.invalidateRange(index, j);
selectTreeIndex(index, true);
}
optgroupObject.prototype.canMoveDown = function canMoveDown()
{
return gDialog.lastChild() > treeSelection.currentIndex;
}
optgroupObject.prototype.moveDown = function moveDown()
{
// Find the index of the next two elements at the same level
var index = treeSelection.currentIndex;
var i = gDialog.nextChild(index);
var j = gDialog.nextChild(i);
// Cut out the element, cut the array in two, then join together
var movedItems = itemArray.splice(i, j - 1);
var endItems = itemArray.splice(index);
itemArray = itemArray.concat(movedItems).concat(endItems);
// Repaint the lot
treeBoxObject.invalidateRange(index, j);
index += j - i;
selectTreeIndex(index, true);
}
optgroupObject.prototype.appendOption = function appendOption(child, parent)
{
var index = gDialog.nextChild(parent);
// XXX need to repaint the lines, tree won't do this
var primaryCol = treeBoxObject.getPrimaryColumn();
treeBoxObject.invalidateCell(index - 1, primaryCol);
// insert the wrapped object as the last child
itemArray.splice(index, 0, new optionObject(child, 2));
treeBoxObject.rowCountChanged(index, 1);
selectTreeIndex(index, false);
};
// dialog initialization code
function Startup()
{
var editor = GetCurrentEditor();
if (!editor)
{
dump("Failed to get active editor!\n");
window.close();
return;
}
// Get a single selected select element
const kTagName = "select";
try {
selectElement = editor.getSelectedElement(kTagName);
} catch (e) {}
if (selectElement)
// We found an element and don't need to insert one
insertNew = false;
else
{
insertNew = true;
// We don't have an element selected,
// so create one with default attributes
try {
selectElement = editor.createElementWithDefaults(kTagName);
} catch (e) {}
if(!selectElement)
{
dump("Failed to get selected element or create a new one!\n");
window.close();
return;
}
}
// SELECT element wrapper object
gDialog = {
// useful elements
accept: document.documentElement.getButton("accept"),
selectDeck: document.getElementById("SelectDeck"),
selectName: document.getElementById("SelectName"),
selectSize: document.getElementById("SelectSize"),
selectMultiple: document.getElementById("SelectMultiple"),
selectDisabled: document.getElementById("SelectDisabled"),
selectTabIndex: document.getElementById("SelectTabIndex"),
optgroupLabel: document.getElementById("OptGroupLabel"),
optgroupDisabled: document.getElementById("OptGroupDisabled"),
optionText: document.getElementById("OptionText"),
optionHasValue: document.getElementById("OptionHasValue"),
optionValue: document.getElementById("OptionValue"),
optionSelected: document.getElementById("OptionSelected"),
optionDisabled: document.getElementById("OptionDisabled"),
removeButton: document.getElementById("RemoveButton"),
previousButton: document.getElementById("PreviousButton"),
nextButton: document.getElementById("NextButton"),
tree: document.getElementById("SelectTree"),
// wrapper methods (except MoveUp and MoveDown)
element: selectElement.cloneNode(false),
level: 0,
container: true,
getCellText: function getCellText(column)
{
return column.id == "SelectTextCol" ? this.element.getAttribute("name") : "";
},
cycleCell: function cycleCell(index) {},
onFocus: function onFocus()
{
gDialog.selectName.value = this.element.getAttribute("name");
gDialog.selectSize.value = this.element.getAttribute("size");
gDialog.selectMultiple.checked = this.element.hasAttribute("multiple");
gDialog.selectDisabled.checked = this.element.hasAttribute("disabled");
gDialog.selectTabIndex.value = this.element.getAttribute("tabindex");
this.selectDeck.setAttribute("selectedIndex", "0");
onNameInput();
},
onBlur: function onBlur()
{
this.element.setAttribute("name", gDialog.selectName.value);
if (gDialog.selectSize.value)
this.element.setAttribute("size", gDialog.selectSize.value);
else
this.element.removeAttribute("size");
if (gDialog.selectMultiple.checked)
this.element.setAttribute("multiple", "");
else
this.element.removeAttribute("multiple");
if (gDialog.selectDisabled.checked)
this.element.setAttribute("disabled", "");
else
this.element.removeAttribute("disabled");
if (gDialog.selectTabIndex.value)
this.element.setAttribute("tabindex", gDialog.selectTabIndex.value);
else
this.element.removeAttribute("tabindex");
},
appendOption: function appendOption(child, parent)
{
var index = itemArray.length;
// XXX need to repaint the lines, tree won't do this
treeBoxObject.invalidateRange(this.lastChild(), index);
// append the wrapped object
itemArray.push(new optionObject(child, 1));
treeBoxObject.rowCountChanged(index, 1);
selectTreeIndex(index, false);
},
canDestroy: function canDestroy(prompt)
{
return false;
},
canMoveDown: function canMoveDown()
{
return false;
},
// helper methods
// Find the index of the next immediate child of the select
nextChild: function nextChild(index)
{
while (++index < itemArray.length && itemArray[index].level > 1);
return index;
},
// Find the index of the last immediate child of the select
lastChild: function lastChild()
{
var index = itemArray.length;
while (itemArray[--index].level > 1);
return index;
}
}
// Start with the <select> wrapper
itemArray = [gDialog];
// We modify the actual option and optgroup elements so clone them first
for (var child = selectElement.firstChild; child; child = child.nextSibling)
{
if (child.tagName == "OPTION")
itemArray.push(new optionObject(child.cloneNode(true), 1));
else if (child.tagName == "OPTGROUP")
{
itemArray.push(new optgroupObject(child.cloneNode(false)));
for (var grandchild = child.firstChild; grandchild; grandchild = grandchild.nextSibling)
if (grandchild.tagName == "OPTION")
itemArray.push(new optionObject(grandchild.cloneNode(true), 2));
}
}
UpdateSelectMultiple();
// Define a custom view for the tree
treeBoxObject = gDialog.tree.treeBoxObject;
treeBoxObject.view = {
QueryInterface : function QueryInterface(aIID)
{
if (aIID.equals(Components.interfaces.nsITreeView) ||
aIID.equals(Components.interfaces.nsISupportsWeakReference) ||
aIID.equals(Components.interfaces.nsISupports))
return this;
Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
return null;
},
// useful for debugging
get wrappedJSObject() { return this; },
get rowCount() { return itemArray.length; },
get selection() { return treeSelection; },
set selection(selection) { return treeSelection = selection; },
getRowProperties: function getRowProperties(index, column, prop) { },
// could have used a wrapper for this
getCellProperties: function getCellProperties(index, column, prop)
{
if (column.id == "SelectSelCol" && !itemArray[index].container)
prop.AppendElement(checkedAtoms[itemArray[index].element.hasAttribute("selected")]);
},
getColumnProperties: function getColumnProperties(column, prop) { },
// get info from wrapper
isContainer: function isContainer(index) { return itemArray[index].container; },
isContainerOpen: function isContainerOpen(index) { return true; },
isContainerEmpty: function isContainerEmpty(index) { return true; },
isSeparator: function isSeparator(index) { return false; },
isSorted: function isSorted() { return false; },
// d&d not implemented yet!
canDrop: function canDrop(index, orientation) { return false; },
drop: function drop(index, orientation) { alert('drop:' + index + ',' + orientation); },
// same as the global helper
getParentIndex: getParentIndex,
// tree needs to know when to paint lines
hasNextSibling: function hasNextSibling(index, after)
{
if (!index)
return false;
var level = itemArray[index].level;
while (++after < itemArray.length)
switch (level - itemArray[after].level)
{
case 1: return false;
case 0: return true;
}
return false;
},
getLevel: function getLevel(index) { return itemArray[index].level; },
getImageSrc: function getImageSrc(index, column) { },
getProgressMode : function getProgressMode(index,column) { },
getCellValue: function getCellValue(index, column) { },
getCellText: function getCellText(index, column) { return itemArray[index].getCellText(column); },
setTree: function setTree(tree) { this.tree = tree; },
toggleOpenState: function toggleOpenState(index) { },
cycleHeader: function cycleHeader(col) { },
selectionChanged: function selectionChanged()
{
// Save current values and update buttons and deck
if (currentItem)
currentItem.onBlur();
var currentIndex = treeSelection.currentIndex;
currentItem = itemArray[currentIndex];
gDialog.removeButton.disabled = !currentItem.canDestroy();
gDialog.previousButton.disabled = currentIndex < 2;
gDialog.nextButton.disabled = !currentItem.canMoveDown();
// For Advanced Edit
globalElement = currentItem.element;
currentItem.onFocus();
},
cycleCell: function cycleCell(index, column) { itemArray[index].cycleCell(index); },
isEditable: function isEditable(index, column) { return false; },
isSelectable: function isSelectable(index, column) { return false; },
performAction: function performAction(action) { },
performActionOnCell: function performActionOnCell(action, index, column) { }
};
treeSelection.select(0);
currentItem = gDialog;
//onNameInput();
SetTextboxFocus(gDialog.selectName);
SetWindowLocation();
}
// Called from Advanced Edit
function InitDialog()
{
currentItem.onFocus();
}
// Called from Advanced Edit
function ValidateData()
{
currentItem.onBlur();
return true;
}
function onAccept()
{
// All values are valid - copy to actual element in doc or
// element created to insert
ValidateData();
var editor = GetCurrentEditor();
// Coalesce into one undo transaction
editor.beginTransaction();
try
{
editor.cloneAttributes(selectElement, gDialog.element);
if (insertNew)
// 'true' means delete the selection before inserting
editor.insertElementAtSelection(selectElement, true);
editor.setShouldTxnSetSelection(false);
while (selectElement.lastChild)
editor.deleteNode(selectElement.lastChild);
var offset = 0;
for (var i = 1; i < itemArray.length; i++)
if (itemArray[i].level > 1)
selectElement.lastChild.appendChild(itemArray[i].element);
else
editor.insertNode(itemArray[i].element, selectElement, offset++, true);
editor.setShouldTxnSetSelection(true);
}
finally
{
editor.endTransaction();
}
SaveWindowLocation();
return true;
}
// Button actions
function AddOption()
{
currentItem.appendOption(GetCurrentEditor().createElementWithDefaults("option"), treeSelection.currentIndex);
SetTextboxFocus(gDialog.optionText);
}
function AddOptGroup()
{
var optgroupElement = GetCurrentEditor().createElementWithDefaults("optgroup");
var index = itemArray.length;
// XXX need to repaint the lines, tree won't do this
treeBoxObject.invalidateRange(gDialog.lastChild(), index);
// append the wrapped object
itemArray.push(new optgroupObject(optgroupElement));
treeBoxObject.rowCountChanged(index, 1);
selectTreeIndex(index, false);
SetTextboxFocus(gDialog.optgroupLabel);
}
function RemoveElement()
{
if (currentItem.canDestroy(true))
{
// Only removing empty option groups for now
var index = treeSelection.currentIndex;
var level = itemArray[index].level;
// Perform necessary cleanup and remove the wrapper
itemArray[index].destroy();
itemArray.splice(index, 1);
--index;
// XXX need to repaint the lines, tree won't do this
if (level == 1) {
var last = gDialog.lastChild();
if (index > last)
treeBoxObject.invalidateRange(last, index);
}
selectTreeIndex(index, true);
treeBoxObject.rowCountChanged(++index, -1);
}
}
// Event handler
function onTreeKeyUp(event)
{
if (event.keyCode == event.DOM_VK_SPACE)
currentItem.cycleCell();
}
function onNameInput()
{
var disabled = !gDialog.selectName.value;
if (gDialog.accept.disabled != disabled)
gDialog.accept.disabled = disabled;
gDialog.element.setAttribute("name", gDialog.selectName.value);
// repaint the tree
var primaryCol = treeBoxObject.getPrimaryColumn();
treeBoxObject.invalidateCell(treeSelection.currentIndex, primaryCol);
}
function onLabelInput()
{
currentItem.element.setAttribute("label", gDialog.optgroupLabel.value);
// repaint the tree
var primaryCol = treeBoxObject.getPrimaryColumn();
treeBoxObject.invalidateCell(treeSelection.currentIndex, primaryCol);
}
function onTextInput()
{
currentItem.element.text = gDialog.optionText.value;
// repaint the tree
if (hasValue) {
var primaryCol = treeBoxObject.getPrimaryColumn();
treeBoxObject.invalidateCell(treeSelection.currentIndex, primaryCol);
}
else
{
gDialog.optionValue.value = gDialog.optionText.value;
treeBoxObject.invalidateRow(treeSelection.currentIndex);
}
}
function onValueInput()
{
gDialog.optionHasValue.checked = hasValue = true;
oldValue = gDialog.optionValue.value;
currentItem.element.setAttribute("value", oldValue);
// repaint the tree
var column = treeBoxObject.columns["SelectValCol"];
treeBoxObject.invalidateCell(treeSelection.currentIndex, column);
}
function onHasValueClick()
{
hasValue = gDialog.optionHasValue.checked;
if (hasValue)
{
gDialog.optionValue.value = oldValue;
currentItem.element.setAttribute("value", oldValue);
}
else
{
oldValue = gDialog.optionValue.value;
gDialog.optionValue.value = gDialog.optionText.value;
currentItem.element.removeAttribute("value");
}
// repaint the tree
var column = treeBoxObject.columns["SelectValCol"];
treeBoxObject.invalidateCell(treeSelection.currentIndex, column);
}
function onSelectMultipleClick()
{
// Recalculate the unique selected option if we need it and have lost it
if (!gDialog.selectMultiple.checked && selectedOptionCount == 1 && !selectedOption)
for (var i = 1; !(selectedOption = itemArray[i].element).hasAttribute("selected"); i++);
}
function selectTreeIndex(index, focus)
{
treeSelection.select(index);
treeBoxObject.ensureRowIsVisible(index);
if (focus)
gDialog.tree.focus();
}