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702 lines
28 KiB
JavaScript
702 lines
28 KiB
JavaScript
// +-----------------------------------------------------------------------+
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// | Copyright (c) 2002-2005, Richard Heyes, Harald Radi |
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// | All rights reserved. |
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// | |
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// | Redistribution and use in source and binary forms, with or without |
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// | modification, are permitted provided that the following conditions |
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// | are met: |
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// | |
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// | o Redistributions of source code must retain the above copyright |
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// | notice, this list of conditions and the following disclaimer. |
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// | o Redistributions in binary form must reproduce the above copyright |
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// | notice, this list of conditions and the following disclaimer in the |
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// | documentation and/or other materials provided with the distribution.|
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// | o The names of the authors may not be used to endorse or promote |
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// | products derived from this software without specific prior written |
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// | permission. |
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// | |
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// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// | |
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// +-----------------------------------------------------------------------+
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// | Author: Richard Heyes <richard@phpguru.org> |
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// | Harald Radi <harald.radi@nme.at> |
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// +-----------------------------------------------------------------------+
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//
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// $Id: TreeMenu.js,v 1.22 2006/12/14 12:07:34 cweiske Exp $
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// Modified 20.04.2013 by Klemen (www.hesk.com)
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/**
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* Function to create copies of objects which are
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* normally passed around by references (Arrays for example)
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*/
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function arrayCopy(input)
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{
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var output = new Array(input.length);
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for (i in input) {
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if (typeof(input[i]) == 'array') {
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output[i] = arrayCopy(input[i]);
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} else {
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output[i] = input[i];
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}
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}
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return output;
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}
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/**
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* TreeMenu class
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*/
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function TreeMenu(iconpath, myname, linkTarget, defaultClass, usePersistence, noTopLevelImages)
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{
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// Properties
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this.iconpath = iconpath;
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this.myname = myname;
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this.linkTarget = linkTarget;
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this.defaultClass = defaultClass;
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this.usePersistence = usePersistence;
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this.noTopLevelImages = noTopLevelImages;
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this.n = new Array();
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this.output = '';
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this.nodeRefs = new Array();
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this.branches = new Array();
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this.branchStatus = new Array();
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this.layerRelations = new Array();
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this.childParents = new Array();
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this.cookieStatuses = new Array();
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this.preloadImages();
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}
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/**
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* Adds a node to the tree
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*/
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TreeMenu.prototype.addItem = function (newNode)
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{
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newIndex = this.n.length;
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this.n[newIndex] = newNode;
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return this.n[newIndex];
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}
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/**
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* Preload images hack for Mozilla
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*/
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TreeMenu.prototype.preloadImages = function ()
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{
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var plustop = new Image; plustop.src = this.iconpath + '/plustop.gif';
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var plusbottom = new Image; plusbottom.src = this.iconpath + '/plusbottom.gif';
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var plus = new Image; plus.src = this.iconpath + '/plus.gif';
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var minustop = new Image; minustop.src = this.iconpath + '/minustop.gif';
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var minusbottom = new Image; minusbottom.src = this.iconpath + '/minusbottom.gif';
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var minus = new Image; minus.src = this.iconpath + '/minus.gif';
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var branchtop = new Image; branchtop.src = this.iconpath + '/branchtop.gif';
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var branchbottom = new Image; branchbottom.src = this.iconpath + '/branchbottom.gif';
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var branch = new Image; branch.src = this.iconpath + '/branch.gif';
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var linebottom = new Image; linebottom.src = this.iconpath + '/linebottom.gif';
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var line = new Image; line.src = this.iconpath + '/line.gif';
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}
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/**
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* Main function that draws the menu and assigns it
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* to the layer (or document.write()s it)
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*/
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TreeMenu.prototype.drawMenu = function ()// OPTIONAL ARGS: nodes = [], level = [], prepend = '', expanded = false, visbility = 'inline', parentLayerID = null
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{
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/**
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* Necessary variables
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*/
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var output = '';
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var modifier = '';
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var layerID = '';
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var parentLayerID = '';
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/**
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* Parse any optional arguments
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*/
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var nodes = arguments[0] ? arguments[0] : this.n
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var level = arguments[1] ? arguments[1] : [];
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var prepend = arguments[2] ? arguments[2] : '';
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var expanded = arguments[3] ? arguments[3] : false;
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var visibility = arguments[4] ? arguments[4] : 'inline';
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var parentLayerID = arguments[5] ? arguments[5] : null;
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var currentlevel = level.length;
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for (var i=0; i<nodes.length; i++) {
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level[currentlevel] = i+1;
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layerID = this.myname + '_' + 'node_' + this.implode('_', level);
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/**
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* Store this object in the nodeRefs array
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*/
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this.nodeRefs[layerID] = nodes[i];
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/**
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* Store the child/parent relationship
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*/
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this.childParents[layerID] = parentLayerID;
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/**
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* Gif modifier
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*/
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if (i == 0 && parentLayerID == null) {
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modifier = nodes.length > 1 ? "top" : 'single';
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} else if(i == (nodes.length-1)) {
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modifier = "bottom";
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} else {
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modifier = "";
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}
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/**
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* Single root branch is always expanded
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*/
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if (!this.doesMenu() || (parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages))) {
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expanded = true;
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} else if (nodes[i].expanded) {
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expanded = true;
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} else {
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expanded = false;
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}
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/**
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* Make sure visibility is correct based on parent status
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*/
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visibility = this.checkParentVisibility(layerID) ? visibility : 'none';
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/**
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* Setup branch status and build an indexed array
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* of branch layer ids
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*/
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if (nodes[i].n.length > 0) {
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this.branchStatus[layerID] = expanded;
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this.branches[this.branches.length] = layerID;
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}
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/**
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* Setup toggle relationship
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*/
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if (!this.layerRelations[parentLayerID]) {
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this.layerRelations[parentLayerID] = new Array();
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}
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this.layerRelations[parentLayerID][this.layerRelations[parentLayerID].length] = layerID;
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/**
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* Branch images
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*/
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var gifname = nodes[i].n.length && this.doesMenu() && nodes[i].isDynamic ? (expanded ? 'minus' : 'plus') : 'branch';
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var iconName = expanded && nodes[i].expandedIcon ? nodes[i].expandedIcon : nodes[i].icon;
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var iconimg = nodes[i].icon ? this.stringFormat('<i class="fa {1}" id="icon_{2}"></i>', this.iconpath, iconName, layerID) : '';
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/**
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* Add event handlers
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*/
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var eventHandlers = "";
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for (j in nodes[i].events) {
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eventHandlers += this.stringFormat('{0}="{1}" ', j, nodes[i].events[j]);
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}
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/**
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* Build the html to write to the document
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* IMPORTANT:
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* document.write()ing the string: '<div style="display:...' will screw up nn4.x
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*/
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var layerTag = this.doesMenu() ? this.stringFormat('<div id="{0}" style="display: {1}" class="{2}">', layerID, visibility, (nodes[i].cssClass ? nodes[i].cssClass : this.defaultClass)) : this.stringFormat('<div class="{0}">', nodes[i].cssClass ? nodes[i].cssClass : this.defaultClass);
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var onMDown = this.doesMenu() && nodes[i].n.length && nodes[i].isDynamic ? this.stringFormat('onmousedown="{0}.toggleBranch(\'{1}\', true)" style="cursor: pointer; cursor: hand"', this.myname, layerID) : '';
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var imgTag = this.stringFormat('<img src="{0}/{1}{2}.gif" align="top" border="0" name="img_{3}" {4}>', this.iconpath, gifname, modifier, layerID, onMDown);
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var linkTarget= nodes[i].linkTarget ? nodes[i].linkTarget : this.linkTarget;
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var linkStart = nodes[i].link ? this.stringFormat('<a href="{0}" target="{1}">', nodes[i].link, linkTarget) : '';
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var linkEnd = nodes[i].link ? '</a>' : '';
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this.output += this.stringFormat('{0}<nobr>{1}{2}{3}{4}{5}<span {5}>{6}</span>{7}</nobr><br /></div>',
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layerTag,
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nodes[i].menu_icons,
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prepend,
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parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages) ? '' : imgTag,
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iconimg,
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linkStart,
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eventHandlers,
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nodes[i].title,
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linkEnd);
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/**
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* Traverse sub nodes ?
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*/
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if (nodes[i].n.length) {
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/**
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* Determine what to prepend. If there is only one root
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* node then the prepend to pass to children is nothing.
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* Otherwise it depends on where we are in the tree.
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*/
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if (parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages)) {
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var newPrepend = '';
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} else if (i < (nodes.length - 1)) {
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var newPrepend = prepend + this.stringFormat('<img src="{0}/line.gif" align="top">', this.iconpath);
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} else {
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var newPrepend = prepend + this.stringFormat('<img src="{0}/linebottom.gif" align="top">', this.iconpath);
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}
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this.drawMenu(nodes[i].n,
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arrayCopy(level),
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newPrepend,
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nodes[i].expanded,
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expanded ? 'inline' : 'none',
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layerID);
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}
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}
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}
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/**
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* Writes the output generated by drawMenu() to the page
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*/
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TreeMenu.prototype.writeOutput = function ()
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{
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document.write(this.output);
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}
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/**
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* Toggles a branches visible status. Called from resetBranches()
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* and also when a +/- graphic is clicked.
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*/
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TreeMenu.prototype.toggleBranch = function (layerID, updateStatus) // OPTIONAL ARGS: fireEvents = true
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{
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var currentDisplay = this.getLayer(layerID).style.display;
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var newDisplay = (this.branchStatus[layerID] && currentDisplay == 'inline') ? 'none' : 'inline';
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var fireEvents = arguments[2] != null ? arguments[2] : true;
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for (var i=0; i<this.layerRelations[layerID].length; i++) {
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if (this.branchStatus[this.layerRelations[layerID][i]]) {
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this.toggleBranch(this.layerRelations[layerID][i], false);
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}
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this.getLayer(this.layerRelations[layerID][i]).style.display = newDisplay;
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}
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if (updateStatus) {
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this.branchStatus[layerID] = !this.branchStatus[layerID];
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/**
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* Persistence
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*/
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if (this.doesPersistence() && !arguments[2] && this.usePersistence) {
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this.setExpandedStatusForCookie(layerID, this.branchStatus[layerID]);
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}
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/**
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* Fire custom events
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*/
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if (fireEvents) {
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nodeObject = this.nodeRefs[layerID];
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if (nodeObject.ontoggle != null) {
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eval(nodeObject.ontoggle);
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}
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if (newDisplay == 'none' && nodeObject.oncollapse != null) {
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eval(nodeObject.oncollapse);
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} else if (newDisplay == 'inline' && nodeObject.onexpand != null){
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eval(nodeObject.onexpand);
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}
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}
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// Swap image
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this.swapImage(layerID);
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}
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// Swap icon
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this.swapIcon(layerID);
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}
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/**
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* Swaps the plus/minus branch images
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*/
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TreeMenu.prototype.swapImage = function (layerID)
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{
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var imgSrc = document.images['img_' + layerID].src;
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var re = /^(.*)(plus|minus)(bottom|top|single)?.gif$/
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if (matches = imgSrc.match(re)) {
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document.images['img_' + layerID].src = this.stringFormat('{0}{1}{2}{3}',
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matches[1],
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matches[2] == 'plus' ? 'minus' : 'plus',
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matches[3] ? matches[3] : '',
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'.gif');
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}
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}
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/**
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* Swaps the icon for the expanded icon if one
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* has been supplied.
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*/
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TreeMenu.prototype.swapIcon = function (layerID)
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{
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if (document.images['icon_' + layerID]) {
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var imgSrc = document.images['icon_' + layerID].src;
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if (this.nodeRefs[layerID].icon && this.nodeRefs[layerID].expandedIcon) {
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var newSrc = (imgSrc.indexOf(this.nodeRefs[layerID].expandedIcon) == -1 ? this.nodeRefs[layerID].expandedIcon : this.nodeRefs[layerID].icon);
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document.images['icon_' + layerID].src = this.iconpath + '/' + newSrc;
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}
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}
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}
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/**
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* Can the browser handle the dynamic menu?
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*/
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TreeMenu.prototype.doesMenu = function ()
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{
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return (is_ie4up || is_nav6up || is_gecko || is_opera7);
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}
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/**
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* Can the browser handle save the branch status
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*/
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TreeMenu.prototype.doesPersistence = function ()
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{
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return (is_ie4up || is_gecko || is_nav6up || is_opera7);
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}
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/**
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* Returns the appropriate layer accessor
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*/
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TreeMenu.prototype.getLayer = function (layerID)
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{
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if (is_ie4) {
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return document.all(layerID);
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} else if (document.getElementById(layerID)) {
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return document.getElementById(layerID);
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} else if (document.all && document.all(layerID)) {
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return document.all(layerID);
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}
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}
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/**
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* Save the status of the layer
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*/
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TreeMenu.prototype.setExpandedStatusForCookie = function (layerID, expanded)
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{
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this.cookieStatuses[layerID] = expanded;
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this.saveCookie();
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}
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/**
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* Load the status of the layer
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*/
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TreeMenu.prototype.getExpandedStatusFromCookie = function (layerID)
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{
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if (this.cookieStatuses[layerID]) {
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return this.cookieStatuses[layerID];
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}
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return false;
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}
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/**
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* Saves the cookie that holds which branches are expanded.
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* Only saves the details of the branches which are expanded.
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*/
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TreeMenu.prototype.saveCookie = function ()
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{
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var cookieString = new Array();
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for (var i in this.cookieStatuses) {
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if (this.cookieStatuses[i] == true) {
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cookieString[cookieString.length] = i;
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}
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}
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document.cookie = 'TreeMenuBranchStatus=' + cookieString.join(':');
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}
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/**
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* Reads cookie parses it for status info and
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* stores that info in the class member.
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*/
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TreeMenu.prototype.loadCookie = function ()
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{
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var cookie = document.cookie.split('; ');
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for (var i=0; i < cookie.length; i++) {
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var crumb = cookie[i].split('=');
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if ('TreeMenuBranchStatus' == crumb[0] && crumb[1]) {
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var expandedBranches = crumb[1].split(':');
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for (var j=0; j<expandedBranches.length; j++) {
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this.cookieStatuses[expandedBranches[j]] = true;
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}
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}
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}
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}
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/**
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* Reset branch status
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*/
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TreeMenu.prototype.resetBranches = function ()
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{
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if (!this.doesPersistence()) {
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return false;
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}
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this.loadCookie();
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for (var i=0; i<this.branches.length; i++) {
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var status = this.getExpandedStatusFromCookie(this.branches[i]);
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// Only update if it's supposed to be expanded and it's not already
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if (status == true && this.branchStatus[this.branches[i]] != true) {
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if (this.checkParentVisibility(this.branches[i])) {
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this.toggleBranch(this.branches[i], true, false);
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} else {
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this.branchStatus[this.branches[i]] = true;
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this.swapImage(this.branches[i]);
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}
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}
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}
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}
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/**
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* Checks whether a branch should be open
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* or not based on its parents' status
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*/
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TreeMenu.prototype.checkParentVisibility = function (layerID)
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{
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if (this.in_array(this.childParents[layerID], this.branches)
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&& this.branchStatus[this.childParents[layerID]]
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&& this.checkParentVisibility(this.childParents[layerID]) ) {
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return true;
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} else if (this.childParents[layerID] == null) {
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return true;
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}
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return false;
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}
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/**
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* New C# style string formatter
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*/
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TreeMenu.prototype.stringFormat = function (strInput)
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{
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var idx = 0;
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for (var i=1; i<arguments.length; i++) {
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while ((idx = strInput.indexOf('{' + (i - 1) + '}', idx)) != -1) {
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strInput = strInput.substring(0, idx) + arguments[i] + strInput.substr(idx + 3);
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}
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}
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return strInput;
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}
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/**
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* Also much adored, the PHP implode() function
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*/
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TreeMenu.prototype.implode = function (seperator, input)
|
|
{
|
|
var output = '';
|
|
|
|
for (var i=0; i<input.length; i++) {
|
|
if (i == 0) {
|
|
output += input[i];
|
|
} else {
|
|
output += seperator + input[i];
|
|
}
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
/**
|
|
* Aah, all the old favourites are coming out...
|
|
*/
|
|
TreeMenu.prototype.in_array = function (item, arr)
|
|
{
|
|
for (var i=0; i<arr.length; i++) {
|
|
if (arr[i] == item) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* TreeNode Class
|
|
*/
|
|
function TreeNode(title, menu_icons, icon, link, expanded, isDynamic, cssClass, linkTarget, expandedIcon)
|
|
{
|
|
this.title = title;
|
|
this.menu_icons = menu_icons;
|
|
this.icon = icon;
|
|
this.expandedIcon = expandedIcon;
|
|
this.link = link;
|
|
this.expanded = expanded;
|
|
this.isDynamic = isDynamic;
|
|
this.cssClass = cssClass;
|
|
this.linkTarget = linkTarget;
|
|
this.n = new Array();
|
|
this.events = new Array();
|
|
this.handlers = null;
|
|
this.oncollapse = null;
|
|
this.onexpand = null;
|
|
this.ontoggle = null;
|
|
}
|
|
|
|
/**
|
|
* Adds a node to an already existing node
|
|
*/
|
|
TreeNode.prototype.addItem = function (newNode)
|
|
{
|
|
newIndex = this.n.length;
|
|
this.n[newIndex] = newNode;
|
|
|
|
return this.n[newIndex];
|
|
}
|
|
|
|
/**
|
|
* Sets an event for this particular node
|
|
*/
|
|
TreeNode.prototype.setEvent = function (eventName, eventHandler)
|
|
{
|
|
switch (eventName.toLowerCase()) {
|
|
case 'onexpand':
|
|
this.onexpand = eventHandler;
|
|
break;
|
|
|
|
case 'oncollapse':
|
|
this.oncollapse = eventHandler;
|
|
break;
|
|
|
|
case 'ontoggle':
|
|
this.ontoggle = eventHandler;
|
|
break;
|
|
|
|
default:
|
|
this.events[eventName] = eventHandler;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* That's the end of the tree classes. What follows is
|
|
* the browser detection code.
|
|
*/
|
|
|
|
|
|
//<!--
|
|
// Ultimate client-side JavaScript client sniff. Version 3.03
|
|
// (C) Netscape Communications 1999-2001. Permission granted to reuse and distribute.
|
|
// Revised 17 May 99 to add is_nav5up and is_ie5up (see below).
|
|
// Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up
|
|
// also added support for IE5.5 Opera4&5 HotJava3 AOLTV
|
|
// Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4,
|
|
// correct Opera 5 detection
|
|
// add support for winME and win2k
|
|
// synch with browser-type-oo.js
|
|
// Revised 26 Mar 01 to correct Opera detection
|
|
// Revised 02 Oct 01 to add IE6 detection
|
|
|
|
// Everything you always wanted to know about your JavaScript client
|
|
// but were afraid to ask. Creates "is_" variables indicating:
|
|
// (1) browser vendor:
|
|
// is_nav, is_ie, is_opera, is_hotjava, is_webtv, is_TVNavigator, is_AOLTV
|
|
// (2) browser version number:
|
|
// is_major (integer indicating major version number: 2, 3, 4 ...)
|
|
// is_minor (float indicating full version number: 2.02, 3.01, 4.04 ...)
|
|
// (3) browser vendor AND major version number
|
|
// is_nav2, is_nav3, is_nav4, is_nav4up, is_nav6, is_nav6up, is_gecko, is_ie3,
|
|
// is_ie4, is_ie4up, is_ie5, is_ie5up, is_ie5_5, is_ie5_5up, is_ie6, is_ie6up, is_hotjava3, is_hotjava3up,
|
|
// is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up
|
|
// (4) JavaScript version number:
|
|
// is_js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
|
|
// (5) OS platform and version:
|
|
// is_win, is_win16, is_win32, is_win31, is_win95, is_winnt, is_win98, is_winme, is_win2k
|
|
// is_os2
|
|
// is_mac, is_mac68k, is_macppc
|
|
// is_unix
|
|
// is_sun, is_sun4, is_sun5, is_suni86
|
|
// is_irix, is_irix5, is_irix6
|
|
// is_hpux, is_hpux9, is_hpux10
|
|
// is_aix, is_aix1, is_aix2, is_aix3, is_aix4
|
|
// is_linux, is_sco, is_unixware, is_mpras, is_reliant
|
|
// is_dec, is_sinix, is_freebsd, is_bsd
|
|
// is_vms
|
|
//
|
|
// See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and
|
|
// http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html
|
|
// for detailed lists of userAgent strings.
|
|
//
|
|
// Note: you don't want your Nav4 or IE4 code to "turn off" or
|
|
// stop working when new versions of browsers are released, so
|
|
// in conditional code forks, use is_ie5up ("IE 5.0 or greater")
|
|
// is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5
|
|
// to check version in code which you want to work on future
|
|
// versions.
|
|
|
|
/**
|
|
* Severly curtailed all this as only certain elements
|
|
* are required by TreeMenu, specifically:
|
|
* o is_ie4up
|
|
* o is_nav6up
|
|
* o is_gecko
|
|
*/
|
|
|
|
// convert all characters to lowercase to simplify testing
|
|
var agt=navigator.userAgent.toLowerCase();
|
|
|
|
// *** BROWSER VERSION ***
|
|
// Note: On IE5, these return 4, so use is_ie5up to detect IE5.
|
|
var is_major = parseInt(navigator.appVersion);
|
|
var is_minor = parseFloat(navigator.appVersion);
|
|
|
|
// Note: Opera and WebTV spoof Navigator. We do strict client detection.
|
|
// If you want to allow spoofing, take out the tests for opera and webtv.
|
|
var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
|
|
&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
|
|
&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
|
|
var is_nav6up = (is_nav && (is_major >= 5));
|
|
var is_gecko = (agt.indexOf('gecko') != -1);
|
|
|
|
|
|
var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
|
|
var is_ie4 = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
|
|
var is_ie4up = (is_ie && (is_major >= 4));
|
|
|
|
var is_opera = (agt.indexOf("opera") != -1);
|
|
var is_opera7 = (is_opera && is_major >= 7) || agt.indexOf("opera 7") != -1;
|
|
|
|
// Patch from Harald Fielker
|
|
if (agt.indexOf('konqueror') != -1) {
|
|
var is_nav = false;
|
|
var is_nav6up = false;
|
|
var is_gecko = false;
|
|
var is_ie = true;
|
|
var is_ie4 = true;
|
|
var is_ie4up = true;
|
|
}
|
|
//--> end hide JavaScript
|