pjs/toolkit/content/customizeToolbar.js

998 строки
30 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 Mozilla Communicator client code, released
# March 31, 1998.
#
# The Initial Developer of the Original Code is
# David Hyatt.
# Portions created by the Initial Developer are Copyright (C) 2002
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# David Hyatt (hyatt@apple.com)
# Blake Ross (blaker@netscape.com)
# Joe Hewitt (hewitt@netscape.com)
#
# 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 *****
const kRowMax = 4;
var gToolboxDocument = null;
var gToolbox = null;
var gCurrentDragOverItem = null;
var gToolboxChanged = false;
var gToolboxIconSize = false;
function onLoad()
{
InitWithToolbox(window.arguments[0]);
repositionDialog();
}
function InitWithToolbox(aToolbox)
{
gToolbox = aToolbox;
gToolboxDocument = gToolbox.ownerDocument;
gToolbox.addEventListener("draggesture", onToolbarDragGesture, false);
gToolbox.addEventListener("dragover", onToolbarDragOver, false);
gToolbox.addEventListener("dragexit", onToolbarDragExit, false);
gToolbox.addEventListener("dragdrop", onToolbarDragDrop, false);
initDialog();
}
function finishToolbarCustomization()
{
removeToolboxListeners();
unwrapToolbarItems();
persistCurrentSets();
notifyParentComplete();
}
function initDialog()
{
var mode = gToolbox.getAttribute("mode");
document.getElementById("modelist").value = mode;
gToolboxIconSize = gToolbox.getAttribute("iconsize");
var smallIconsCheckbox = document.getElementById("smallicons");
smallIconsCheckbox.checked = gToolboxIconSize == "small";
if (mode == "text")
smallIconsCheckbox.disabled = true;
// Build up the palette of other items.
buildPalette();
// Wrap all the items on the toolbar in toolbarpaletteitems.
wrapToolbarItems();
}
function repositionDialog()
{
// Position the dialog touching the bottom of the toolbox and centered with
// it.
var width;
if (document.documentElement.hasAttribute("width"))
width = document.documentElement.getAttribute("width");
else
width = parseInt(document.documentElement.style.width);
var screenX = gToolbox.boxObject.screenX
+ ((gToolbox.boxObject.width - width) / 2);
var screenY = gToolbox.boxObject.screenY + gToolbox.boxObject.height;
window.moveTo(screenX, screenY);
}
function removeToolboxListeners()
{
gToolbox.removeEventListener("draggesture", onToolbarDragGesture, false);
gToolbox.removeEventListener("dragover", onToolbarDragOver, false);
gToolbox.removeEventListener("dragexit", onToolbarDragExit, false);
gToolbox.removeEventListener("dragdrop", onToolbarDragDrop, false);
}
/**
* Invoke a callback on the toolbox to notify it that the dialog is done
* and going away.
*/
function notifyParentComplete()
{
if ("customizeDone" in gToolbox)
gToolbox.customizeDone(gToolboxChanged);
}
function getToolbarAt(i)
{
return gToolbox.childNodes[i];
}
/**
* Persist the current set of buttons in all customizable toolbars to
* localstore.
*/
function persistCurrentSets()
{
if (!gToolboxChanged)
return;
var customCount = 0;
for (var i = 0; i < gToolbox.childNodes.length; ++i) {
// Look for customizable toolbars that need to be persisted.
var toolbar = getToolbarAt(i);
if (isCustomizableToolbar(toolbar)) {
// Calculate currentset and store it in the attribute.
var currentSet = toolbar.currentSet;
toolbar.setAttribute("currentset", currentSet);
var customIndex = toolbar.hasAttribute("customindex");
if (customIndex) {
if (!toolbar.firstChild) {
// Remove custom toolbars whose contents have been removed.
gToolbox.removeChild(toolbar);
--i;
} else {
// Persist custom toolbar info on the <toolbarset/>
gToolbox.toolbarset.setAttribute("toolbar"+(++customCount),
toolbar.toolbarName + ":" + currentSet);
gToolboxDocument.persist(gToolbox.toolbarset.id, "toolbar"+customCount);
}
}
if (!customIndex) {
// Persist the currentset attribute directly on hardcoded toolbars.
gToolboxDocument.persist(toolbar.id, "currentset");
}
}
}
// Remove toolbarX attributes for removed toolbars.
while (gToolbox.toolbarset.hasAttribute("toolbar"+(++customCount))) {
gToolbox.toolbarset.removeAttribute("toolbar"+customCount);
gToolboxDocument.persist(gToolbox.toolbarset.id, "toolbar"+customCount);
}
}
/**
* Wraps all items in all customizable toolbars in a toolbox.
*/
function wrapToolbarItems()
{
for (var i = 0; i < gToolbox.childNodes.length; ++i) {
var toolbar = getToolbarAt(i);
if (isCustomizableToolbar(toolbar)) {
for (var k = 0; k < toolbar.childNodes.length; ++k) {
var item = toolbar.childNodes[k];
if (isToolbarItem(item)) {
var nextSibling = item.nextSibling;
var wrapper = wrapToolbarItem(item);
if (nextSibling)
toolbar.insertBefore(wrapper, nextSibling);
else
toolbar.appendChild(wrapper);
cleanupItemForToolbar(item, wrapper);
}
}
}
}
}
/**
* Unwraps all items in all customizable toolbars in a toolbox.
*/
function unwrapToolbarItems()
{
var paletteItems = gToolbox.getElementsByTagName("toolbarpaletteitem");
var paletteItem;
while ((paletteItem = paletteItems.item(0)) != null) {
var toolbarItem = paletteItem.firstChild;
if (paletteItem.hasAttribute("itemdisabled"))
toolbarItem.disabled = true;
if (paletteItem.hasAttribute("itemcommand"))
toolbarItem.setAttribute("command", paletteItem.getAttribute("itemcommand"));
paletteItem.parentNode.replaceChild(toolbarItem, paletteItem);
}
}
/**
* Creates a wrapper that can be used to contain a toolbaritem and prevent
* it from receiving UI events.
*/
function createWrapper(aId)
{
var wrapper = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"toolbarpaletteitem");
wrapper.id = "wrapper-"+aId;
return wrapper;
}
/**
* Wraps an item that has been cloned from a template and adds
* it to the end of a row in the palette.
*/
function wrapPaletteItem(aPaletteItem, aCurrentRow, aSpacer)
{
var wrapper = createWrapper(aPaletteItem.id);
wrapper.setAttribute("flex", 1);
wrapper.setAttribute("align", "center");
wrapper.setAttribute("pack", "center");
wrapper.setAttribute("minheight", "0");
wrapper.setAttribute("minwidth", "0");
document.adoptNode(aPaletteItem);
wrapper.appendChild(aPaletteItem);
// XXX We need to call this AFTER the palette item has been appended
// to the wrapper or else we crash dropping certain buttons on the
// palette due to removal of the command and disabled attributes - JRH
cleanUpItemForPalette(aPaletteItem, wrapper);
if (aSpacer)
aCurrentRow.insertBefore(wrapper, aSpacer);
else
aCurrentRow.appendChild(wrapper);
}
/**
* Wraps an item that is currently on a toolbar and replaces the item
* with the wrapper. This is not used when dropping items from the palette,
* only when first starting the dialog and wrapping everything on the toolbars.
*/
function wrapToolbarItem(aToolbarItem)
{
var wrapper = createWrapper(aToolbarItem.id);
gToolboxDocument.adoptNode(wrapper);
wrapper.flex = aToolbarItem.flex;
if (aToolbarItem.parentNode)
aToolbarItem.parentNode.removeChild(aToolbarItem);
wrapper.appendChild(aToolbarItem);
return wrapper;
}
/**
* Get the list of ids for the current set of items on each toolbar.
*/
function getCurrentItemIds()
{
var currentItems = {};
for (var i = 0; i < gToolbox.childNodes.length; ++i) {
var toolbar = getToolbarAt(i);
if (isCustomizableToolbar(toolbar)) {
var child = toolbar.firstChild;
while (child) {
if (isToolbarItem(child))
currentItems[child.id] = 1;
child = child.nextSibling;
}
}
}
return currentItems;
}
/**
* Builds the palette of draggable items that are not yet in a toolbar.
*/
function buildPalette()
{
// Empty the palette first.
var paletteBox = document.getElementById("palette-box");
while (paletteBox.lastChild)
paletteBox.removeChild(paletteBox.lastChild);
var currentRow = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"hbox");
currentRow.setAttribute("class", "paletteRow");
// Add the toolbar separator item.
var templateNode = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"toolbarseparator");
templateNode.id = "separator";
wrapPaletteItem(templateNode, currentRow, null);
// Add the toolbar spring item.
templateNode = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"toolbarspring");
templateNode.id = "spring";
templateNode.flex = 1;
wrapPaletteItem(templateNode, currentRow, null);
// Add the toolbar spacer item.
templateNode = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"toolbarspacer");
templateNode.id = "spacer";
templateNode.flex = 1;
wrapPaletteItem(templateNode, currentRow, null);
// Add the splitter item.
templateNode = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"splitter");
templateNode.id = "splitter";
wrapPaletteItem(templateNode, currentRow, null);
var rowSlot = 3;
var currentItems = getCurrentItemIds();
templateNode = gToolbox.palette.firstChild;
while (templateNode) {
// Check if the item is already in a toolbar before adding it to the palette.
if (!(templateNode.id in currentItems)) {
var paletteItem = templateNode.cloneNode(true);
if (rowSlot == kRowMax) {
// Append the old row.
paletteBox.appendChild(currentRow);
// Make a new row.
currentRow = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"hbox");
currentRow.setAttribute("class", "paletteRow");
rowSlot = 0;
}
++rowSlot;
wrapPaletteItem(paletteItem, currentRow, null);
}
templateNode = templateNode.nextSibling;
}
if (currentRow) {
fillRowWithFlex(currentRow);
paletteBox.appendChild(currentRow);
}
}
/**
* Creates a new palette item for a cloned template node and
* adds it to the last slot in the palette.
*/
function appendPaletteItem(aItem)
{
var paletteBox = document.getElementById("palette-box");
var lastRow = paletteBox.lastChild;
var lastSpacer = lastRow.lastChild;
if (lastSpacer.localName != "spacer") {
// The current row is full, so we have to create a new row.
lastRow = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"hbox");
lastRow.setAttribute("class", "paletteRow");
paletteBox.appendChild(lastRow);
wrapPaletteItem(aItem, lastRow, null);
fillRowWithFlex(lastRow);
} else {
// Decrement the flex of the last spacer or remove it entirely.
var flex = lastSpacer.getAttribute("flex");
if (flex == 1) {
lastRow.removeChild(lastSpacer);
lastSpacer = null;
} else
lastSpacer.setAttribute("flex", --flex);
// Insert the wrapper where the last spacer was.
wrapPaletteItem(aItem, lastRow, lastSpacer);
}
}
function fillRowWithFlex(aRow)
{
var remainingFlex = kRowMax - aRow.childNodes.length;
if (remainingFlex > 0) {
var spacer = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"spacer");
spacer.setAttribute("flex", remainingFlex);
aRow.appendChild(spacer);
}
}
/**
* Makes sure that an item that has been cloned from a template
* is stripped of all properties that may adversely affect it's
* appearance in the palette.
*/
function cleanUpItemForPalette(aItem, aWrapper)
{
aWrapper.setAttribute("place", "palette");
setWrapperType(aItem, aWrapper);
if (aItem.hasAttribute("title"))
aWrapper.setAttribute("title", aItem.getAttribute("title"));
else if (isSpecialItem(aItem)) {
var stringBundle = document.getElementById("stringBundle");
var title = stringBundle.getString(aItem.id + "Title");
aWrapper.setAttribute("title", title);
}
// Remove attributes that screw up our appearance.
aItem.removeAttribute("command");
aItem.removeAttribute("observes");
aItem.removeAttribute("disabled");
aItem.removeAttribute("type");
if (aItem.localName == "toolbaritem" && aItem.firstChild) {
aItem.firstChild.removeAttribute("observes");
// So the throbber doesn't throb in the dialog,
// cute as that may be...
aItem.firstChild.removeAttribute("busy");
}
}
/**
* Makes sure that an item that has been cloned from a template
* is stripped of all properties that may adversely affect it's
* appearance in the toolbar. Store critical properties on the
* wrapper so they can be put back on the item when we're done.
*/
function cleanupItemForToolbar(aItem, aWrapper)
{
setWrapperType(aItem, aWrapper);
aWrapper.setAttribute("place", "toolbar");
if (aItem.hasAttribute("command")) {
aWrapper.setAttribute("itemcommand", aItem.getAttribute("command"));
aItem.removeAttribute("command");
}
if (aItem.disabled) {
aWrapper.setAttribute("itemdisabled", "true");
aItem.disabled = false;
}
}
function setWrapperType(aItem, aWrapper)
{
if (aItem.localName == "toolbarseparator") {
aWrapper.setAttribute("type", "separator");
} else if (aItem.localName == "toolbarspring") {
aWrapper.setAttribute("type", "spring");
} else if (aItem.localName == "toolbarspacer") {
aWrapper.setAttribute("type", "spacer");
} else if (aItem.localName == "splitter") {
aWrapper.setAttribute("type", "splitter");
} else if (aItem.localName == "toolbaritem" && aItem.firstChild) {
aWrapper.setAttribute("type", aItem.firstChild.localName);
}
}
function setDragActive(aItem, aValue)
{
var node = aItem;
var direction = window.getComputedStyle(aItem, null).direction;
var value = direction == "ltr"? "left" : "right";
if (aItem.localName == "toolbar") {
node = aItem.lastChild;
value = direction == "ltr"? "right" : "left";
}
if (!node)
return;
if (aValue) {
if (!node.hasAttribute("dragover"))
node.setAttribute("dragover", value);
} else {
node.removeAttribute("dragover");
}
}
function addNewToolbar()
{
var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Components.interfaces.nsIPromptService);
var stringBundle = document.getElementById("stringBundle");
var message = stringBundle.getString("enterToolbarName");
var title = stringBundle.getString("enterToolbarTitle");
var name = {};
while (true) {
if (!promptService.prompt(window, title, message, name, null, {}))
return;
if (!name.value) {
message = stringBundle.getFormattedString("enterToolbarBlank", [name.value]);
continue;
}
var dupeFound = false;
// Check for an existing toolbar with the same display name
for (i = 0; i < gToolbox.childNodes.length; ++i) {
var toolbar = gToolbox.childNodes[i];
var toolbarName = toolbar.getAttribute("toolbarname");
if (toolbarName == name.value &&
toolbar.getAttribute("type") != "menubar" &&
toolbar.nodeName == 'toolbar') {
dupeFound = true;
break;
}
}
if (!dupeFound)
break;
message = stringBundle.getFormattedString("enterToolbarDup", [name.value]);
}
gToolbox.appendCustomToolbar(name.value, "");
gToolboxChanged = true;
}
/**
* Restore the default set of buttons to fixed toolbars,
* remove all custom toolbars, and rebuild the palette.
*/
function restoreDefaultSet()
{
// Save disabled/command states, because we're
// going to recreate the wrappers and lose this
var savedAttributes = saveItemAttributes(["itemdisabled", "itemcommand"]);
// Restore the defaultset for fixed toolbars.
var toolbar = gToolbox.firstChild;
while (toolbar) {
if (isCustomizableToolbar(toolbar)) {
if (!toolbar.hasAttribute("customindex")) {
var defaultSet = toolbar.getAttribute("defaultset");
if (defaultSet)
toolbar.currentSet = defaultSet;
}
}
toolbar = toolbar.nextSibling;
}
// Restore the default icon size and mode.
var defaultMode = gToolbox.getAttribute("defaultmode");
var defaultIconsSmall = gToolbox.getAttribute("defaulticonsize") == "small";
updateIconSize(defaultIconsSmall);
document.getElementById("smallicons").checked = defaultIconsSmall;
updateToolbarMode(defaultMode);
document.getElementById("modelist").value = defaultMode;
// Remove all of the customized toolbars.
var child = gToolbox.lastChild;
while (child) {
if (child.hasAttribute("customindex")) {
var thisChild = child;
child = child.previousSibling;
gToolbox.removeChild(thisChild);
} else {
child = child.previousSibling;
}
}
// Now rebuild the palette.
buildPalette();
// Now re-wrap the items on the toolbar.
wrapToolbarItems();
// Restore the disabled and command states
restoreItemAttributes(["itemdisabled", "itemcommand"], savedAttributes);
gToolboxChanged = true;
}
function saveItemAttributes(aAttributeList)
{
var items = [];
var paletteItems = gToolbox.getElementsByTagName("toolbarpaletteitem");
for (var i = 0; i < paletteItems.length; i++) {
var paletteItem = paletteItems.item(i);
for (var j = 0; j < aAttributeList.length; j++) {
var attr = aAttributeList[j];
if (paletteItem.hasAttribute(attr)) {
items.push([paletteItem.id, attr, paletteItem.getAttribute(attr)]);
}
}
}
return items;
}
function restoreItemAttributes(aAttributeList, aSavedAttrList)
{
var paletteItems = gToolbox.getElementsByTagName("toolbarpaletteitem");
for (var i = 0; i < paletteItems.length; i++) {
var paletteItem = paletteItems.item(i);
// if the item is supposed to have this, it'll get
// restored from the saved list
for (var j = 0; j < aAttributeList.length; j++)
paletteItem.removeAttribute(aAttributeList[j]);
for (var j = 0; j < aSavedAttrList.length; j++) {
var savedAttr = aSavedAttrList[j];
if (paletteItem.id == savedAttr[0]) {
paletteItem.setAttribute(savedAttr[1], savedAttr[2]);
}
}
}
}
function updateIconSize(aUseSmallIcons)
{
gToolboxIconSize = aUseSmallIcons ? "small" : "large";
setAttribute(gToolbox, "iconsize", gToolboxIconSize);
gToolboxDocument.persist(gToolbox.id, "iconsize");
for (var i = 0; i < gToolbox.childNodes.length; ++i) {
var toolbar = getToolbarAt(i);
if (isCustomizableToolbar(toolbar)) {
setAttribute(toolbar, "iconsize", gToolboxIconSize);
gToolboxDocument.persist(toolbar.id, "iconsize");
}
}
}
function updateToolbarMode(aModeValue)
{
setAttribute(gToolbox, "mode", aModeValue);
gToolboxDocument.persist(gToolbox.id, "mode");
for (var i = 0; i < gToolbox.childNodes.length; ++i) {
var toolbar = getToolbarAt(i);
if (isCustomizableToolbar(toolbar)) {
setAttribute(toolbar, "mode", aModeValue);
gToolboxDocument.persist(toolbar.id, "mode");
}
}
var iconSizeCheckbox = document.getElementById("smallicons");
iconSizeCheckbox.disabled = aModeValue == "text";
}
function setAttribute(aElt, aAttr, aVal)
{
if (aVal)
aElt.setAttribute(aAttr, aVal);
else
aElt.removeAttribute(aAttr);
}
function isCustomizableToolbar(aElt)
{
return aElt.localName == "toolbar" &&
aElt.getAttribute("customizable") == "true";
}
function isSpecialItem(aElt)
{
return aElt.localName == "toolbarseparator" ||
aElt.localName == "toolbarspring" ||
aElt.localName == "toolbarspacer" ||
aElt.localName == "splitter";
}
function isToolbarItem(aElt)
{
return aElt.localName == "toolbarbutton" ||
aElt.localName == "toolbaritem" ||
aElt.localName == "toolbarseparator" ||
aElt.localName == "toolbarspring" ||
aElt.localName == "toolbarspacer" ||
aElt.localName == "splitter";
}
///////////////////////////////////////////////////////////////////////////
//// Drag and Drop observers
function onToolbarDragGesture(aEvent)
{
nsDragAndDrop.startDrag(aEvent, dragStartObserver);
}
function onToolbarDragOver(aEvent)
{
nsDragAndDrop.dragOver(aEvent, toolbarDNDObserver);
}
function onToolbarDragDrop(aEvent)
{
nsDragAndDrop.drop(aEvent, toolbarDNDObserver);
}
function onToolbarDragExit(aEvent)
{
if (gCurrentDragOverItem)
setDragActive(gCurrentDragOverItem, false);
}
var dragStartObserver =
{
onDragStart: function (aEvent, aXferData, aDragAction) {
var documentId = gToolboxDocument.documentElement.id;
var item = aEvent.target;
while (item && item.localName != "toolbarpaletteitem")
item = item.parentNode;
item.setAttribute("dragactive", "true");
aXferData.data = new TransferDataSet();
var data = new TransferData();
data.addDataForFlavour("text/toolbarwrapper-id/"+documentId, item.firstChild.id);
aXferData.data.push(data);
aDragAction.action = Components.interfaces.nsIDragService.DRAGDROP_ACTION_MOVE;
}
}
var toolbarDNDObserver =
{
onDragOver: function (aEvent, aFlavour, aDragSession)
{
var toolbar = aEvent.target;
var dropTarget = aEvent.target;
while (toolbar && toolbar.localName != "toolbar") {
dropTarget = toolbar;
toolbar = toolbar.parentNode;
}
var previousDragItem = gCurrentDragOverItem;
// Make sure we are dragging over a customizable toolbar.
if (!isCustomizableToolbar(toolbar)) {
gCurrentDragOverItem = null;
return;
}
if (dropTarget.localName == "toolbar") {
gCurrentDragOverItem = dropTarget;
} else {
gCurrentDragOverItem = null;
var direction = window.getComputedStyle(dropTarget.parentNode, null).direction;
var dropTargetCenter = dropTarget.boxObject.x + (dropTarget.boxObject.width / 2);
if (direction == "ltr")
dragAfter = aEvent.clientX > dropTargetCenter;
else
dragAfter = aEvent.clientX < dropTargetCenter;
if (dragAfter) {
gCurrentDragOverItem = dropTarget.nextSibling;
if (!gCurrentDragOverItem)
gCurrentDragOverItem = toolbar;
} else
gCurrentDragOverItem = dropTarget;
}
if (previousDragItem && gCurrentDragOverItem != previousDragItem) {
setDragActive(previousDragItem, false);
}
setDragActive(gCurrentDragOverItem, true);
aDragSession.canDrop = true;
},
onDrop: function (aEvent, aXferData, aDragSession)
{
if (!gCurrentDragOverItem)
return;
setDragActive(gCurrentDragOverItem, false);
var draggedItemId = aXferData.data;
if (gCurrentDragOverItem.id == draggedItemId)
return;
var toolbar = aEvent.target;
while (toolbar.localName != "toolbar")
toolbar = toolbar.parentNode;
var draggedPaletteWrapper = document.getElementById("wrapper-"+draggedItemId);
if (!draggedPaletteWrapper) {
// The wrapper has been dragged from the toolbar.
// Get the wrapper from the toolbar document and make sure that
// it isn't being dropped on itself.
var wrapper = gToolboxDocument.getElementById("wrapper-"+draggedItemId);
if (wrapper == gCurrentDragOverItem)
return;
// Don't allow static kids (e.g., the menubar) to move.
if (wrapper.parentNode.firstPermanentChild && wrapper.parentNode.firstPermanentChild.id == wrapper.firstChild.id)
return;
if (wrapper.parentNode.lastPermanentChild && wrapper.parentNode.lastPermanentChild.id == wrapper.firstChild.id)
return;
// Remove the item from it's place in the toolbar.
wrapper.parentNode.removeChild(wrapper);
// Determine which toolbar we are dropping on.
var dropToolbar = null;
if (gCurrentDragOverItem.localName == "toolbar")
dropToolbar = gCurrentDragOverItem;
else
dropToolbar = gCurrentDragOverItem.parentNode;
// Insert the item into the toolbar.
if (gCurrentDragOverItem != dropToolbar)
dropToolbar.insertBefore(wrapper, gCurrentDragOverItem);
else
dropToolbar.appendChild(wrapper);
} else {
// The item has been dragged from the palette
// Create a new wrapper for the item. We don't know the id yet.
var wrapper = createWrapper("");
gToolboxDocument.adoptNode(wrapper);
// Ask the toolbar to clone the item's template, place it inside the wrapper, and insert it in the toolbar.
var newItem = toolbar.insertItem(draggedItemId, gCurrentDragOverItem == toolbar ? null : gCurrentDragOverItem, wrapper);
// Prepare the item and wrapper to look good on the toolbar.
cleanupItemForToolbar(newItem, wrapper);
wrapper.id = "wrapper-"+newItem.id;
wrapper.flex = newItem.flex;
// Remove the wrapper from the palette.
var currentRow = draggedPaletteWrapper.parentNode;
if (draggedItemId != "separator" &&
draggedItemId != "spring" &&
draggedItemId != "spacer" &&
draggedItemId != "splitter")
{
currentRow.removeChild(draggedPaletteWrapper);
while (currentRow) {
// Pull the first child of the next row up
// into this row.
var nextRow = currentRow.nextSibling;
if (!nextRow) {
var last = currentRow.lastChild;
var first = currentRow.firstChild;
if (first == last) {
// Kill the row.
currentRow.parentNode.removeChild(currentRow);
break;
}
if (last.localName == "spacer") {
var flex = last.getAttribute("flex");
last.setAttribute("flex", ++flex);
// Reflow doesn't happen for some reason. Trigger it with a hide/show. ICK! -dwh
last.hidden = true;
last.hidden = false;
break;
} else {
// Make a spacer and give it a flex of 1.
var spacer = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
"spacer");
spacer.setAttribute("flex", "1");
currentRow.appendChild(spacer);
}
break;
}
currentRow.appendChild(nextRow.firstChild);
currentRow = currentRow.nextSibling;
}
}
}
gCurrentDragOverItem = null;
gToolboxChanged = true;
},
_flavourSet: null,
getSupportedFlavours: function ()
{
if (!this._flavourSet) {
this._flavourSet = new FlavourSet();
var documentId = gToolboxDocument.documentElement.id;
this._flavourSet.appendFlavour("text/toolbarwrapper-id/"+documentId);
}
return this._flavourSet;
}
}
var paletteDNDObserver =
{
onDragOver: function (aEvent, aFlavour, aDragSession)
{
aDragSession.canDrop = true;
},
onDrop: function(aEvent, aXferData, aDragSession)
{
var itemId = aXferData.data;
var wrapper = gToolboxDocument.getElementById("wrapper-"+itemId);
if (wrapper) {
// Don't allow static kids (e.g., the menubar) to move.
if (wrapper.parentNode.firstPermanentChild && wrapper.parentNode.firstPermanentChild.id == wrapper.firstChild.id)
return;
if (wrapper.parentNode.lastPermanentChild && wrapper.parentNode.lastPermanentChild.id == wrapper.firstChild.id)
return;
// The item was dragged out of the toolbar.
wrapper.parentNode.removeChild(wrapper);
var wrapperType = wrapper.getAttribute("type");
if (wrapperType != "separator" &&
wrapperType != "spacer" &&
wrapperType != "spring" &&
wrapperType != "splitter") {
// Find the template node in the toolbox palette
var templateNode = gToolbox.palette.firstChild;
while (templateNode) {
if (templateNode.id == itemId)
break;
templateNode = templateNode.nextSibling;
}
if (!templateNode)
return;
// Clone the template and add it to our palette.
var paletteItem = templateNode.cloneNode(true);
appendPaletteItem(paletteItem);
}
}
gToolboxChanged = true;
},
_flavourSet: null,
getSupportedFlavours: function ()
{
if (!this._flavourSet) {
this._flavourSet = new FlavourSet();
var documentId = gToolboxDocument.documentElement.id;
this._flavourSet.appendFlavour("text/toolbarwrapper-id/"+documentId);
}
return this._flavourSet;
}
}