266 lines
8.9 KiB
JavaScript
266 lines
8.9 KiB
JavaScript
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Element.collectTextNodesIgnoreClass = function(element, ignoreclass1, ignoreclass2) {
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var children = $(element).childNodes;
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var text = "";
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var classtest1 = new RegExp("^([^ ]+ )*" + ignoreclass1+ "( [^ ]+)*$","i"); // agileco mod
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var classtest2 = new RegExp("^([^ ]+ )*" + ignoreclass2+ "( [^ ]+)*$","i"); // agileco add
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for (var i = 0; i < children.length; i++) {
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if(children[i].nodeType==3) {
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text+=children[i].nodeValue;
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} else {
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if((!children[i].className.match(classtest1)) && (!children[i].className.match(classtest2)) && children[i].hasChildNodes()) // agileco mod
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text += Element.collectTextNodesIgnoreClass(children[i], ignoreclass1, ignoreclass2);
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}
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}
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return text;
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}
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Ajax.Autocompleter = Class.create();
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Ajax.Autocompleter.prototype = (new Ajax.Base()).extend({
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initialize: function(element, update, url, options) {
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this.element = $(element);
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this.hidden = element+'_hidden'; //agileco add
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this.update = $(update);
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this.has_focus = false;
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this.changed = false;
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this.active = false;
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this.index = 0;
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this.entry_count = 0;
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this.url = url;
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this.setOptions(options);
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this.options.asynchronous = true;
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this.options.onComplete = this.onComplete.bind(this)
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this.options.frequency = this.options.frequency || 0.4;
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this.options.min_chars = this.options.min_chars || 1;
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this.options.method = 'post';
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this.options.onShow = this.options.onShow ||
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function(element, update){
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if(!update.style.position || update.style.position=='absolute') {
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update.style.position = 'absolute';
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var offsets = Position.cumulativeOffset(element);
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update.style.left = offsets[0] + 'px';
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update.style.top = (offsets[1] + element.offsetHeight) + 'px';
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update.style.width = element.offsetWidth + 'px';
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}
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new Effect.Appear(update,{duration:0.3});
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};
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this.options.onHide = this.options.onHide ||
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function(element, update){ new Effect.Fade(update,{duration:0.3}) };
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if(this.options.indicator)
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this.indicator = $(this.options.indicator);
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this.observer = null;
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Element.hide(this.update);
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Event.observe(this.element, "blur", this.onBlur.bindAsEventListener(this));
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Event.observe(this.element, "keypress", this.onKeyPress.bindAsEventListener(this));
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},
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show: function() {
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if(this.update.style.display=='none') this.options.onShow(this.element, this.update);
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if(!this.iefix && (navigator.appVersion.indexOf('MSIE')>0) && this.update.style.position=='absolute') {
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new Insertion.After(this.update,
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'<iframe id="' + this.update.id + '_iefix" '+
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'style="display:none;filter:progid:DXImageTransform.Microsoft.Alpha(apacity=0);" ' +
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'src="javascript:;" frameborder="0" scrolling="no"></iframe>');
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this.iefix = $(this.update.id+'_iefix');
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}
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if(this.iefix) {
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Position.clone(this.update, this.iefix);
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this.iefix.style.zIndex = 1;
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this.update.style.zIndex = 2;
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Element.show(this.iefix);
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}
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},
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hide: function() {
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if(this.update.style.display=='') this.options.onHide(this.element, this.update);
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if(this.iefix) Element.hide(this.iefix);
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},
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startIndicator: function() {
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if(this.indicator) Element.show(this.indicator);
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},
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stopIndicator: function() {
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if(this.indicator) Element.hide(this.indicator);
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},
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onObserverEvent: function() {
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this.changed = false;
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if(this.element.value.length>=this.options.min_chars) {
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this.startIndicator();
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this.options.parameters = this.options.callback ?
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this.options.callback(this.element, Form.Element.getValue(this.element)) :
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Form.Element.serialize(this.element);
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new Ajax.Request(this.url, this.options);
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} else {
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this.active = false;
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this.hide();
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}
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},
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addObservers: function(element) {
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Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
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Event.observe(element, "click", this.onClick.bindAsEventListener(this));
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},
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onComplete: function(request) {
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if(!this.changed && this.has_focus) {
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this.update.innerHTML = request.responseText;
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Element.cleanWhitespace(this.update);
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Element.cleanWhitespace(this.update.firstChild);
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if(this.update.firstChild && this.update.firstChild.childNodes) {
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this.entry_count =
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this.update.firstChild.childNodes.length;
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for (var i = 0; i < this.entry_count; i++) {
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entry = this.get_entry(i);
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entry.autocompleteIndex = i;
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this.addObservers(entry);
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}
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} else {
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this.entry_count = 0;
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}
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this.stopIndicator();
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this.index = 0;
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this.render();
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}
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},
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onKeyPress: function(event) {
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if(this.active)
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switch(event.keyCode) {
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case Event.KEY_TAB:
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case Event.KEY_RETURN:
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this.select_entry();
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Event.stop(event);
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case Event.KEY_ESC:
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this.hide();
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this.active = false;
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return;
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case Event.KEY_LEFT:
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case Event.KEY_RIGHT:
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return;
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case Event.KEY_UP:
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this.mark_previous();
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this.render();
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if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
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return;
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case Event.KEY_DOWN:
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this.mark_next();
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this.render();
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if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event);
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return;
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}
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else
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if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN)
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return;
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this.changed = true;
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this.has_focus = true;
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if(this.observer) clearTimeout(this.observer);
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this.observer =
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setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
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},
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onHover: function(event) {
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var element = Event.findElement(event, 'LI');
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if(this.index != element.autocompleteIndex)
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{
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this.index = element.autocompleteIndex;
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this.render();
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}
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Event.stop(event);
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},
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onClick: function(event) {
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var element = Event.findElement(event, 'LI');
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this.index = element.autocompleteIndex;
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this.select_entry();
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Event.stop(event);
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},
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onBlur: function(event) {
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// needed to make click events working
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setTimeout(this.hide.bind(this), 250);
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this.has_focus = false;
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this.active = false;
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},
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render: function() {
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if(this.entry_count > 0) {
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for (var i = 0; i < this.entry_count; i++)
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this.index==i ?
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Element.addClassName(this.get_entry(i),"selected") :
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Element.removeClassName(this.get_entry(i),"selected");
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if(this.has_focus) {
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if(this.get_current_entry().scrollIntoView)
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this.get_current_entry().scrollIntoView(false);
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this.show();
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this.active = true;
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}
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} else this.hide();
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},
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mark_previous: function() {
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if(this.index > 0) this.index--
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else this.index = this.entry_count-1;
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},
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mark_next: function() {
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if(this.index < this.entry_count-1) this.index++
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else this.index = 0;
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},
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get_entry: function(index) {
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return this.update.firstChild.childNodes[index];
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},
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get_current_entry: function() {
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return this.get_entry(this.index);
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},
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select_entry: function() { //agileco
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this.active = false;
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value = Element.collectTextNodesIgnoreClass(this.get_current_entry(), 'informal', 'index').unescapeHTML(); // agileco mod
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this.element.value = value;
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this.element.focus();
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id = Element.collectTextNodesIgnoreClass(this.get_current_entry(), 'name', 'informal' ).unescapeHTML(); // agileco add
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document.getElementById(this.hidden).value = id; // agileco add
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}
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});
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