mirror of
https://github.com/EGroupware/egroupware.git
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368 lines
9.7 KiB
JavaScript
Executable File
368 lines
9.7 KiB
JavaScript
Executable File
/**
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* EGroupware eTemplate2 - JS Itempicker object
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* derived from et2_link_entry widget @copyright 2011 Nathan Gray
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Christian Binder
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* @author Nathan Gray
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* @copyright 2012 Christian Binder
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* @copyright 2011 Nathan Gray
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* @version $Id: et2_widget_itempicker.js 38623 2012-03-26 23:27:53Z jaytraxx $
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*/
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/*egw:uses
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jquery.jquery;
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et2_core_inputWidget;
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et2_core_valueWidget;
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et2_extension_itempicker_actions;
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egw_action.egw_action_common;
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*/
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/**
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* Class which implements the "itempicker" XET-Tag
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*
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* @augments et2_inputWidget
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*/
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var et2_itempicker = (function(){ "use strict"; return et2_inputWidget.extend(
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{
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attributes: {
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"action": {
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"name": "Action callback",
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"type": "string",
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"default": false,
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"description": "Callback for action. Must be a function(context, data)"
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},
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"action_label": {
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"name": "Action label",
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"type": "string",
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"default": "Action",
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"description": "Label for action button"
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},
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"application": {
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"name": "Application",
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"type": "string",
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"default": "",
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"description": "Limit to the listed application or applications (comma separated)"
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},
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"blur": {
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"name": "Placeholder",
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"type": "string",
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"default": et2_no_init,
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"description": "This text get displayed if an input-field is empty and does not have the input-focus (blur). It can be used to show a default value or a kind of help-text."
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},
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"value": {
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"name": "value",
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"type": "any",
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"default": "",
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"description": "Optional itempicker value(s) - can be used for e.g. environmental information"
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},
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"query": {
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"name": "Query callback",
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"type": "any",
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"default": false,
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"description": "Callback before query to server. Must return true, or false to abort query."
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}
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},
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legacyOptions: ["application"],
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search_timeout: 200, //ms after change to send query
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minimum_characters: 2, // Don't send query unless there's at least this many chars
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last_search: "", // Remember last search value
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action: null, // Action function for button
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current_app: "", // Remember currently chosen application
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/**
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* Constructor
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*
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* @memberOf et2_itempicker
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*/
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init: function() {
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this._super.apply(this, arguments);
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this.div = null;
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this.left = null;
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this.right = null;
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this.right_container = null;
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this.app_select = null;
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this.search = null;
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this.button_action = null;
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this.itemlist = null;
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if(this.options.action !== null && typeof this.options.action == "string")
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{
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this.action = new egwFnct(this, "javaScript:" + this.options.action);
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}
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else
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{
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console.log("itempicker widget: no action provided for button");
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}
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this.createInputWidget();
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},
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clearSearchResults: function() {
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this.search.val("");
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this.itemlist.html("");
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this.search.focus();
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this.clear.hide();
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},
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createInputWidget: function() {
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var _self = this;
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this.div = $j(document.createElement("div"));
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this.left = $j(document.createElement("div"));
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this.right = $j(document.createElement("div"));
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this.right_container = $j(document.createElement("div"));
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this.app_select = $j(document.createElement("ul"));
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this.search = $j(document.createElement("input"));
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this.clear = $j(document.createElement("span"));
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this.itemlist = $j(document.createElement("div"));
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// Container elements
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this.div.addClass("et2_itempicker");
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this.left.addClass("et2_itempicker_left");
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this.right.addClass("et2_itempicker_right");
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this.right_container.addClass("et2_itempicker_right_container");
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// Application select
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this.app_select.addClass("et2_itempicker_app_select");
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var item_count = 0;
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for(var key in this.options.select_options) {
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var img_icon = this.egw().image(key + "/navbar");
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if(img_icon === null) {
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continue;
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}
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var img = $j(document.createElement("img"));
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img.attr("src", img_icon);
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var item = $j(document.createElement("li"));
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item.attr("id", key)
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.click(function() {
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_self.selectApplication($j(this));
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})
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.append(img);
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if(item_count == 0) {
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this.selectApplication(item); // select first item by default
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}
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this.app_select.append(item);
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item_count++;
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}
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// Search input field
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this.search.addClass("et2_itempicker_search");
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this.search.keyup(function() {
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var request = {};
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request.term = $j(this).val();
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_self.query(request);
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});
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this.set_blur(this.options.blur, this.search);
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// Clear button for search
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this.clear
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.addClass("et2_itempicker_clear ui-icon ui-icon-close")
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.click(function(e){
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_self.clearSearchResults();
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})
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.hide();
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// Action button
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this.button_action = et2_createWidget("button");
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$j(this.button_action.getDOMNode()).addClass("et2_itempicker_button_action");
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this.button_action.set_label(this.egw().lang(this.options.action_label));
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this.button_action.click = function() { _self.doAction(); };
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// Itemlist
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this.itemlist.attr("id", "itempicker_itemlist");
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this.itemlist.addClass("et2_itempicker_itemlist");
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// Put everything together
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this.left.append(this.app_select);
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this.right_container.append(this.search);
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this.right_container.append(this.clear);
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this.right_container.append(this.button_action.getDOMNode());
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this.right_container.append(this.itemlist);
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this.right.append(this.right_container);
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this.div.append(this.right); // right before left to have a natural
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this.div.append(this.left); // z-index for left div over right div
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this.setDOMNode(this.div[0]);
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},
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doAction: function()
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{
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if(this.action !== null)
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{
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var data = {};
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data.app = this.current_app;
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data.value = this.options.value;
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data.checked = this.getSelectedItems();
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return this.action.exec(this, data);
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}
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return false;
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},
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getSelectedItems: function()
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{
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var items = [];
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$j(this.itemlist).children("ul").children("li.selected").each(function(index) {
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items[index] = $j(this).attr("id");
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});
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return items;
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},
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/**
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* Ask server for entries matching selected app/type and filtered by search string
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*/
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query: function(request) {
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if(request.term.length < 3) {
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return true;
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}
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// Remember last search
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this.last_search = request.term;
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// Allow hook / tie in
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if(this.options.query && typeof this.options.query == 'function')
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{
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if(!this.options.query(request, response)) return false;
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}
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//if(request.term in this.cache) {
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// return response(this.cache[request.term]);
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//}
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this.itemlist.addClass("loading");
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this.clear.css("display", "inline-block");
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egw._json("etemplate_widget_itempicker::ajax_item_search::etemplate",
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[this.current_app, '', request.term, request.options],
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this.queryResults,
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this,true,this
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).sendRequest();
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},
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/**
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* Server found some results for query
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*/
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queryResults: function(data) {
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this.itemlist.removeClass("loading");
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this.updateItemList(data);
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},
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selectApplication: function(app) {
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this.clearSearchResults();
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$j(".et2_itempicker_app_select li").removeClass("selected");
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app.addClass("selected");
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this.current_app = app.attr("id");
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return true;
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},
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set_blur: function(_value, input) {
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if(typeof input == 'undefined') input = this.search;
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if(_value) {
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input.attr("placeholder", _value); // HTML5
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if(!input[0].placeholder) {
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// Not HTML5
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if(input.val() == "") input.val(_value);
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input.focus(input,function(e) {
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var placeholder = _value;
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if(e.data.val() == placeholder) e.data.val("");
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}).blur(input, function(e) {
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var placeholder = _value;
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if(e.data.val() == "") e.data.val(placeholder);
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});
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if(input.val() == "") input.val(_value);
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}
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} else {
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this.search.removeAttr("placeholder");
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}
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},
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transformAttributes: function(_attrs) {
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this._super.apply(this, arguments);
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_attrs["select_options"] = {};
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if(_attrs["application"])
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{
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var apps = et2_csvSplit(_attrs["application"], null, ",");
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for(var i = 0; i < apps.length; i++)
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{
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_attrs["select_options"][apps[i]] = this.egw().lang(apps[i]);
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}
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}
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else
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{
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_attrs["select_options"] = this.egw().link_app_list('query');
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}
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// Check whether the options entry was found, if not read it from the
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// content array.
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if (_attrs["select_options"] == null)
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{
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_attrs["select_options"] = this.getArrayMgr('content')
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.getEntry("options-" + this.id);
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}
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// Default to an empty object
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if (_attrs["select_options"] == null)
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{
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_attrs["select_options"] = {};
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}
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},
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updateItemList: function(data) {
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var list = $j(document.createElement("ul"));
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var item_count = 0;
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var _self = this;
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for(var id in data) {
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var item = $j(document.createElement("li"));
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if(item_count%2 == 0) {
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item.addClass("row_on");
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} else {
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item.addClass("row_off");
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}
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item.attr("id", id)
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.html(data[id])
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.click(function(e) {
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if(e.ctrlKey || e.metaKey) {
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// add to selection
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$j(this).addClass("selected");
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} else if(e.shiftKey) {
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// select range
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var start = $j(this).siblings(".selected").first();
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if(start == 0) {
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// no start item - cannot select range - select single item
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$j(this).addClass("selected");
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return true;
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}
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var end = $j(this);
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// swap start and end if start appears after end in dom hierarchy
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if(start.index() > end.index()) {
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var startOld = start;
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start = end;
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end = startOld;
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}
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// select start to end
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start.addClass("selected");
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start.nextUntil(end).addClass("selected");
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end.addClass("selected");
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} else {
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// select single item
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$j(this).siblings(".selected").removeClass("selected");
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$j(this).addClass("selected");
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}
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});
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list.append(item);
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item_count++;
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}
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this.itemlist.html(list);
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}
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});}).call(this);
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et2_register_widget(et2_itempicker, ["itempicker"]);
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