2 * (c) 2005-2011 Richard Cowin (http://openrico.org)
3 * (c) 2005-2011 Matt Brown (http://dowdybrown.com)
5 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
6 * file except in compliance with the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software distributed under the
11 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
12 * either express or implied. See the License for the specific language governing permissions
13 * and limitations under the License.
17 // Requires prototype.js and ricoCommon.js
18 // Data for the tree can be obtained via AJAX requests
19 // Each record in the AJAX response should contain 5 or 6 cells:
20 // cells[0]=parent node id
22 // cells[2]=description
23 // cells[3]=L/zero (leaf), C/non-zero (container)
24 // cells[4]=0->not selectable, 1->selectable (use default action), otherwise the node is selectable and cells[4] contains the action
25 // cells[5]=leafIcon (optional)
28 Rico.TreeControl = function(id,url,options) {
29 this.initialize(id,url,options);
32 Rico.TreeControl.prototype = {
34 * @class Implements a pop-up tree control.
37 * @param id unique identifier
38 * @param url data source
39 * @param options object may contain any of the following:<dl>
40 * <dt>nodeIdDisplay</dt><dd> first, last, tooltip, or none? default=none</dd>
41 * <dt>showCheckBox </dt><dd> show checkbox next to each item? default=false</dd>
42 * <dt>showFolders </dt><dd> show folder icons? default=false</dd>
43 * <dt>showPlusMinus</dt><dd> show +/- icons to open/close branches? default=true</dd>
44 * <dt>showLines </dt><dd> show vertical lines connecting each level? default=true</dd>
45 * <dt>defaultAction</dt><dd> Rico event handle to call when user clicks on an item, default is to call returnValue method</dd>
46 * <dt>height </dt><dd> control height? default=300px</dd>
47 * <dt>width </dt><dd> control width? default=300px</dd>
48 * <dt>leafIcon </dt><dd> class name to display img, default="rico-icon rico-doc" ('none'=no leaf icon)</dd>
51 initialize: function(id,url,options) {
52 Rico.extend(this, new Rico.Popup());
53 Rico.extend(this.options, {
60 defaultAction: Rico.eventHandle(this,'nodeClick'),
63 leafIcon: 'rico-icon rico-doc'
65 Rico.extend(this.options, options || {});
68 this.close=this.closePopup;
69 this.hoverSet = new Rico.HoverSet([]);
71 Rico.onLoad(function() { self.atLoad(); })
75 this.treeDiv=document.createElement("div");
76 this.treeDiv.className='ricoTree';
77 if (Rico.theme.treeContent) Rico.addClass(this.treeDiv,Rico.theme.treeContent);
78 var elem=Rico.$(this.id);
80 this.setDiv(elem, { position: 'auto' });
82 this.treeDiv.id=this.id;
83 this.createContainer();
85 this.treeDiv.style.height=this.options.height;
86 this.treeDiv.style.width=this.options.width;
87 this.content.className=Rico.theme.tree || 'ricoTreeContainer';
88 this.content.appendChild(this.treeDiv);
89 if (this.options.showCheckBox) {
90 this.buttonDiv=document.createElement("div");
91 this.buttonDiv.style.width=this.options.width;
92 this.buttonDiv.className='ricoTreeButtons';
93 if (Rico.getStyle(this.container,'position')=='absolute') {
94 var span=document.createElement("span");
95 span.innerHTML=Rico.getPhraseById('treeSave');
96 Rico.setStyle(span,{'float':'left',cursor:'pointer'});
97 this.buttonDiv.appendChild(span);
98 Rico.eventBind(span, 'click', Rico.eventHandle(this,'saveSelection'));
100 var span=document.createElement("span");
101 span.innerHTML=Rico.getPhraseById('treeClear');
102 Rico.setStyle(span,{'float':'right',cursor:'pointer'});
103 this.buttonDiv.appendChild(span);
104 this.content.appendChild(this.buttonDiv);
105 Rico.eventBind(span, 'click', Rico.eventHandle(this,'clrCheckBoxEvent'));
107 if (this.position == 'absolute') this.close();
110 setTreeDiv: function(divId) {
111 this.treeDiv = Rico.$(divId);
112 this.openPopup = function() {};
117 if (this.treeDiv.childNodes.length == 0 && this.dataSource) {
122 loadXMLDoc: function(branchPin) {
123 var parms = { id: this.id };
124 if (branchPin) parms.Parent=branchPin;
125 Rico.log('Tree loadXMLDoc: '+this.id);
127 new Rico.ajaxRequest(this.dataSource, {parameters:parms, method:'get', onComplete: function(request) { self.processResponse(request); } });
130 domID: function(nodeID,part) {
131 return 'RicoTree_'+part+'_'+this.id+'_'+nodeID;
134 processResponse: function(request) {
135 var response = request.responseXML.getElementsByTagName("ajax-response");
136 if (response == null || response.length != 1) return;
137 var rowsElement = response[0].getElementsByTagName('rows')[0];
138 var trs = rowsElement.getElementsByTagName("tr");
140 for (var i=0; i < trs.length; i++) {
141 var cells = trs[i].getElementsByTagName("td");
142 if (cells.length < 5) continue;
144 content[5]=this.options.leafIcon;
145 for (var j=0; j<cells.length; j++) {
146 content[j]=Rico.getContentAsString(cells[j],true);
148 content[3] = content[3].match(/^0|L$/i) ? 0 : 1;
149 content[4] = parseInt(content[4]);
150 rowdata.push(content);
152 for (var i=0; i < rowdata.length; i++) {
153 var moreChildren=(i < rowdata.length-1) && (rowdata[i][0]==rowdata[i+1][0]);
154 this.addNode(rowdata[i][0],rowdata[i][1],rowdata[i][2],rowdata[i][3],rowdata[i][4],rowdata[i][5],!moreChildren);
158 addNode: function(parentId, nodeId, nodeDesc, isContainer, isSelectable, leafIcon, isLast) {
159 var parentNode=Rico.$(this.domID(parentId,'Parent'));
160 var parentChildren=Rico.$(this.domID(parentId,'Children'));
161 var level=parentNode ? parentNode.TreeLevel+1 : 0;
162 //alert("addNode at level " + level + " (" + nodeId + ")")
163 var tab = document.createElement("table");
164 var div = document.createElement("div");
165 div.id=this.domID(nodeId,'Children');
166 div.className='ricoTreeBranch';
167 div.style.display=parentNode ? 'none' : '';
171 tab.id=this.domID(nodeId,'Parent');
173 tab.TreeContainer=isContainer;
174 tab.TreeFetchedChildren=this.dataSource ? false : true;
175 var row=tab.insertRow(0);
177 for (var i=0; i<level-1; i++) {
178 td[i]=row.insertCell(-1);
181 var tdParent=parentNode.getElementsByTagName('td');
182 for (var i=0; i<level-2; i++) {
183 td[i].innerHTML=tdParent[i].innerHTML;
185 var img = document.createElement("div");
186 img.className='rico-icon rico-tree-'+(parentChildren.nextSibling && this.options.showLines ? "nodeline" : "nodeblank");
187 td[level-2].appendChild(img);
190 var suffix=isLast && this.options.showLines ? 'last' : '';
191 var prefix=this.options.showLines ? 'node' : '';
192 if (this.options.showPlusMinus && isContainer) {
193 var img = document.createElement("div");
195 img.style.cursor='pointer';
196 Rico.eventBind(img, 'click', Rico.eventHandle(this,'clickBranch'));
197 img.className='rico-icon rico-tree-'+prefix+"p"+suffix;
198 row.insertCell(-1).appendChild(img);
199 } else if (this.options.showLines) {
200 var img = document.createElement("div");
201 img.className='rico-icon rico-tree-node'+suffix;
202 row.insertCell(-1).appendChild(img);
204 if (this.options.showFolders && (isContainer || (leafIcon && leafIcon!='none'))) {
205 var img = document.createElement("div");
207 img.className=leafIcon;
210 img.style.cursor='pointer';
211 Rico.eventBind(img, 'click', Rico.eventHandle(this,'clickBranch'));
212 img.className='rico-icon rico-folderclosed';
214 row.insertCell(-1).appendChild(img);
217 if (isSelectable && this.options.showCheckBox) {
218 var chkbx=document.createElement("input");
219 chkbx.type="checkbox";
221 row.insertCell(-1).appendChild(chkbx);
224 if (isSelectable && !this.options.showCheckBox) {
225 var span=document.createElement('a');
226 if (typeof isSelectable=='string') {
227 span.href=isSelectable;
229 span.href='javascript:void(0)';
230 Rico.eventBind(span, 'click', this.options.defaultAction);
232 this.hoverSet.add(span);
234 var span=document.createElement('p');
236 span.id=this.domID(nodeId,'Desc');
237 span.className='ricoTreeLevel'+level;
238 switch (this.options.nodeIdDisplay) {
239 case 'last': nodeDesc+=' ('+nodeId+')'; break;
240 case 'first': nodeDesc=nodeId+' - '+nodeDesc; break;
241 case 'tooltip': span.title=nodeId; break;
243 span.appendChild(document.createTextNode(nodeDesc));
244 row.insertCell(-1).appendChild(span);
246 var parent=parentChildren || this.treeDiv;
247 parent.appendChild(tab);
248 parent.appendChild(div);
251 nodeClick: function(e) {
252 var node=Rico.eventElement(e);
253 if (this.returnValue) {
254 var t=this.domID('','Desc');
255 this.returnValue(node.id.substr(t.length),node.innerHTML);
260 saveSelection: function(e) {
261 if (this.returnValue) {
262 this.returnValue(this.getCheckedItems());
267 getCheckedItems: function() {
268 var inp=this.treeDiv.getElementsByTagName('input');
270 for (var i=0; i<inp.length; i++) {
271 if (inp[i].type=='checkbox' && inp[i].checked) {
272 vals.push(inp[i].value);
278 setCheckBoxes: function(val) {
279 var inp=this.treeDiv.getElementsByTagName('input');
280 for (var i=0; i<inp.length; i++) {
281 if (inp[i].type=='checkbox') {
287 clrCheckBoxEvent: function(e) {
289 this.setCheckBoxes(false);
292 clickBranch: function(e) {
293 var node=Rico.eventElement(e);
294 var tab=Rico.getParentByTagName(node,'table');
295 if (!tab || !tab.TreeContainer) return;
296 var a=tab.id.split('_');
298 var childDiv=Rico.$(a.join('_'));
299 Rico.toggle(childDiv);
300 if (node.tagName=='DIV') {
301 var v=Rico.visible(childDiv);
302 if (node.className.match(/node(p|m)(last)?$/)) {
303 node.className=node.className.replace(/nodep|nodem/,'node'+(v ? 'm' : 'p'));
304 } else if (node.className.match(/folder(open|closed)$/)) {
305 node.className=node.className.replace(/folder(open|closed)/,'folder'+(v ? 'open' : 'closed'));
306 } else if (node.className.match(/\b(m|p)$/)) {
307 node.className=node.className.replace(/(p|m)$/,v ? 'm' : 'p');
310 if (!tab.TreeFetchedChildren) {
311 tab.TreeFetchedChildren=1;
312 this.loadXMLDoc(node.name);