gecko-dev/suite/common/sidebar/customize.js

430 lines
13 KiB
JavaScript

/* -*- Mode: Java; tab-width: 4; insert-tabs-mode: nil; c-basic-offset: 2 -*-
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-1999 Netscape Communications Corporation. All
* Rights Reserved.
*
*/
// the rdf service
var RDF = 'component://netscape/rdf/rdf-service'
RDF = Components.classes[RDF].getService();
RDF = RDF.QueryInterface(Components.interfaces.nsIRDFService);
var NC = "http://home.netscape.com/NC-rdf#";
var sidebar = new Object;
var original_panels = new Array();
function debug(msg)
{
//dump(msg+"\n");
}
function Init()
{
sidebar.datasource_uri = window.arguments[0];
sidebar.resource = window.arguments[1];
debug("sidebar.datasource_uri = " + sidebar.datasource_uri);
debug("sidebar.resource = " + sidebar.resource);
// This will load the datasource, if it isn't already.
sidebar.datasource = RDF.GetDataSource(sidebar.datasource_uri);
// Add the necessary datasources to the select list
var select_list = document.getElementById('selected-panels');
select_list.database.AddDataSource(sidebar.datasource);
// Root the customize dialog at the correct place.
select_list.setAttribute('ref', sidebar.resource);
saveInitialPanels();
enableButtons();
}
function saveInitialPanels()
{
var root = document.getElementById('selected-panels-root');
for (var node = root.firstChild; node != null; node = node.nextSibling) {
original_panels[original_panels.length] = node.getAttribute('id');
}
}
function addOption(registry, service, selectIt)
{
debug("Adding "+service.Value);
var option_title = getAttr(registry, service, 'title');
var option_customize = getAttr(registry, service, 'customize');
var option_content = getAttr(registry, service, 'content');
var tree = document.getElementById('selected-panels');
var treeroot = document.getElementById('selected-panels-root');
// Check to see if the panel already exists...
for (var ii = treeroot.firstChild; ii != null; ii = ii.nextSibling) {
if (ii.getAttribute('id') == service.Value) {
// we already had the panel installed
tree.selectItem(ii);
return;
}
}
var item = document.createElement('treeitem');
var row = document.createElement('treerow');
var cell = document.createElement('treecell');
item.setAttribute('id', service.Value);
item.setAttribute('customize', option_customize);
item.setAttribute('content', option_content);
cell.setAttribute('value', option_title);
item.appendChild(row);
row.appendChild(cell);
treeroot.appendChild(item);
if (selectIt) {
debug("Selecting new item");
tree.selectItem(item)
}
}
function createOptionTitle(titletext)
{
var title = document.createElement('html:option');
var textOption = document.createTextNode(titletext);
title.appendChild(textOption);
return textOption;
}
function getAttr(registry,service,attr_name) {
var attr = registry.GetTarget(service,
RDF.GetResource(NC + attr_name),
true);
if (attr)
attr = attr.QueryInterface(Components.interfaces.nsIRDFLiteral);
if (attr)
attr = attr.Value;
return attr;
}
function selectChange() {
// Remove the selection in the other list
var other_panels = document.getElementById('other-panels');
other_panels.clearItemSelection();
enableButtons();
enableOtherButtons();
}
function moveUp() {
var tree = document.getElementById('selected-panels');
if (tree.selectedItems.length == 1) {
var selected = tree.selectedItems[0];
if (selected.previousSibling) {
selected.parentNode.insertBefore(selected, selected.previousSibling);
tree.selectItem(selected);
}
}
enableButtons();
enableSave();
}
function moveDown() {
var tree = document.getElementById('selected-panels');
if (tree.selectedItems.length == 1) {
var selected = tree.selectedItems[0];
if (selected.nextSibling) {
if (selected.nextSibling.nextSibling) {
selected.parentNode.insertBefore(selected, selected.nextSibling.nextSibling);
}
else {
selected.parentNode.appendChild(selected);
}
tree.selectItem(selected);
}
}
enableButtons();
enableSave();
}
function enableButtons() {
var up = document.getElementById('up');
var down = document.getElementById('down');
var tree = document.getElementById('selected-panels');
var customize = document.getElementById('customize-button');
var remove = document.getElementById('remove-button');
var numSelected = tree.selectedItems.length;
var noneSelected, isFirst, isLast, selectedNode
if (numSelected > 0) {
selectedNode = tree.selectedItems[0]
isFirst = selectedNode == selectedNode.parentNode.firstChild
isLast = selectedNode == selectedNode.parentNode.lastChild
}
// up /\ button
if (numSelected != 1 || isFirst) {
up.setAttribute('disabled', 'true');
} else {
up.setAttribute('disabled', '');
}
// down \/ button
if (numSelected != 1 || isLast) {
down.setAttribute('disabled', 'true');
} else {
down.setAttribute('disabled', '');
}
// "Customize..." button
var customizeURL = null;
if (selectedNode) {
customizeURL = selectedNode.getAttribute('customize');
}
if (customizeURL == null || customizeURL == '') {
customize.setAttribute('disabled','true');
} else {
customize.setAttribute('disabled','');
}
// "Remove" button
if (numSelected == 0) {
remove.setAttribute('disabled','true');
} else {
remove.setAttribute('disabled','');
}
}
function CustomizePanel()
{
var tree = document.getElementById('selected-panels');
var index = tree.selectedIndex;
if (index != -1) {
var title = tree.childNodes.item(index).getAttribute('title');
var customize_URL = tree.childNodes.item(index).getAttribute('customize');
if (!title || !customize_URL) return;
var customize = window.open("chrome://sidebar/content/customize-panel.xul",
"_blank", "chrome");
customize.panel_name = title;
customize.panel_customize_URL = customize_URL;
}
enableSave();
}
function RemovePanel()
{
var tree = document.getElementById('selected-panels');
var nextNode = null;
var numSelected = tree.selectedItems.length
while (tree.selectedItems.length > 0) {
var selectedNode = tree.selectedItems[0]
nextNode = selectedNode.nextSibling;
if (!nextNode) {
nextNode = selectedNode.previousSibling;
}
selectedNode.parentNode.removeChild(selectedNode)
}
if (nextNode) {
tree.selectItem(nextNode)
}
enableButtons();
enableSave();
}
function Save()
{
// Iterate through the 'selected-panels' tree to collect the panels
// that the user has chosen. We need to do this _before_ we remove
// the panels from the datasource, because the act of removing them
// from the datasource will change the tree!
var panels = new Array();
var root = document.getElementById('selected-panels-root');
for (var node = root.firstChild; node != null; node = node.nextSibling) {
panels[panels.length] = node.getAttribute('id');
}
// Now remove all the current panels from the datasource.
// Create a "container" wrapper around the "urn:sidebar:ccurent-panel-list"
// object. This makes it easier to manipulate the RDF:Seq correctly.
var container = Components.classes["component://netscape/rdf/container"].createInstance();
container = container.QueryInterface(Components.interfaces.nsIRDFContainer);
container.Init(sidebar.datasource, RDF.GetResource(sidebar.resource));
for (var ii = container.GetCount(); ii >= 1; --ii) {
debug('removing panel ' + ii);
container.RemoveElementAt(ii, true);
}
// Now iterate through the panels, and re-add them to the datasource
for (var ii = 0; ii < panels.length; ++ii) {
debug('adding ' + panels[ii]);
container.AppendElement(RDF.GetResource(panels[ii]));
}
// Write the modified panels out.
sidebar.datasource.QueryInterface(Components.interfaces.nsIRDFRemoteDataSource).Flush();
window.close();
}
function otherPanelSelected(event, target)
{
// Remove the selection in the "current" panels list
var current_panels = document.getElementById('selected-panels');
current_panels.clearItemSelection();
enableButtons();
if (target.getAttribute('container') == 'true') {
if (target.getAttribute('open') == 'true') {
target.removeAttribute('open');
} else {
target.setAttribute('open','true');
}
return;
}
enableOtherButtons();
}
function enableOtherButtons()
{
var add_button = document.getElementById('add_button');
var preview_button = document.getElementById('preview_button');
var other_panels = document.getElementById('other-panels');
var num_selected = 0;
// Only count non-folders as selected for button enabling
for (var ii=0; ii<other_panels.selectedItems.length; ii++) {
var node = other_panels.selectedItems[ii];
if (node.getAttribute('container') != 'true') {
num_selected++;
}
}
if (num_selected > 0) {
add_button.setAttribute('disabled','');
preview_button.setAttribute('disabled','');
}
else {
add_button.setAttribute('disabled','true');
preview_button.setAttribute('disabled','true');
}
}
function AddPanel()
{
var tree = document.getElementById('other-panels');
var database = tree.database;
var select_list = tree.selectedItems
var isFirstAddition = true;
for (var nodeIndex=0; nodeIndex<select_list.length; nodeIndex++) {
var node = select_list[nodeIndex];
if (!node) break;
// Skip folders
if (node.getAttribute('folder') == 'true') {
continue;
}
var id = node.getAttribute("id");
if (!id) break;
var rdfNode = RDF.GetResource(id);
if (!rdfNode) break;
addOption(database, rdfNode, isFirstAddition);
isFirstAddition = false;
}
// Remove the selection in the other list.
// Selection will move to "current" list.
var other_panels = document.getElementById('other-panels');
other_panels.clearItemSelection();
enableButtons();
enableOtherButtons();
enableSave();
}
function PreviewPanel()
{
var tree = document.getElementById('other-panels');
var database = tree.database;
var select_list = tree.selectedItems
for (var nodeIndex=0; nodeIndex<select_list.length; nodeIndex++) {
var node = select_list[nodeIndex];
if (!node) break;
// Skip folders
if (node.getAttribute('folder') == 'true') {
continue;
}
var id = node.getAttribute("id");
if (!id) break;
var rdfNode = RDF.GetResource(id);
if (!rdfNode) break;
var preview_name = getAttr(database, rdfNode, 'title');
var preview_URL = getAttr(database, rdfNode, 'content');
if (!preview_URL || !preview_name) break;
var preview = window.open("chrome://sidebar/content/preview.xul",
"_blank", "chrome");
preview.panel_name = preview_name;
preview.panel_URL = preview_URL;
}
}
function enableSave() {
debug("in enableSave()");
var root = document.getElementById('selected-panels-root');
var panels = root.childNodes;
var list_unchanged = (panels.length == original_panels.length);
debug ("panels.length="+panels.length);
debug ("orig.length="+original_panels.length);
for (var ii = 0; ii < panels.length && list_unchanged; ii++) {
//node = root.firstChild; node != null; node = node.nextSibling) {
debug("orig="+original_panels[ii]);
debug(" new="+panels.item(ii).getAttribute('id'));
debug("orig.length="+original_panels.length+" ii="+ii);
if (original_panels[ii] != panels.item(ii).getAttribute('id')) {
list_unchanged = false;
}
}
var save_button = document.getElementById('save_button');
if (list_unchanged) {
save_button.setAttribute('disabled','true');
} else {
save_button.setAttribute('disabled','');
}
}
function dumpAttributes(node) {
var attributes = node.attributes
if (!attributes || attributes.length == 0) {
debug("no attributes\n")
}
for (var ii=0; ii < attributes.length; ii++) {
var attr = attributes.item(ii)
debug("attr "+ii+": "+ attr.name +"="+attr.value)
}
}