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Start of a link-to widget using jQuery-UI's autocomplete
This commit is contained in:
Nathan Gray
parent
65a37234c4
commit
d9f321a413
109
etemplate/inc/class.etemplate_widget_link.inc.php
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109
etemplate/inc/class.etemplate_widget_link.inc.php
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<?php
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/**
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* EGroupware - eTemplate serverside of linking widgets
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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 Nathan Gray
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* @copyright 2011 Nathan Gray
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* @version $Id$
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*/
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/**
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* eTemplate link widgets
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* Deals with creation and display of links between entries in various participating egw applications
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*/
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class etemplate_widget_link extends etemplate_widget
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{
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/**
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* Constructor
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*
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* @param string|XMLReader $xml string with xml or XMLReader positioned on the element to construct
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* @throws egw_exception_wrong_parameter
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*/
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public function __construct($xml = '')
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{
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if($xml) {
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parent::__construct($xml);
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// TODO: probably a better way to do this
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egw_framework::includeCSS('/phpgwapi/js/jquery/jquery-ui/smoothness/jquery-ui-1.8.16.custom.css');
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}
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}
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/* Changes all link widgets to template
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protected static $transformation = array(
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'type' => array(
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'link-list'=>array(
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'value' => array('__callback__'=>'get_links'),
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'type' => 'template',
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'id' => 'etemplate.link_widget.list'
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)
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),
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);
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*/
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/**
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* Set up what we know on the server side.
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*
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* Set the options for the application select.
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*
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* @param string $cname
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*/
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public function beforeSendToClient($cname)
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{
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$attrs = $this->attrs;
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$form_name = self::form_name($cname, $this->id);
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$value =& self::get_array(self::$request->content, $form_name, true);
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if(!is_array($value))
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{
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throw new egw_exception_wrong_parameter("Wrong value sent to link widget, needs to be an array. " + array2string($value));
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}
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$app = $value['to_app'];
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$id = $value['to_id'];
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$help = $attrs['help'] ? ($value['help'] ? $value['help'] : $attrs['help']) : lang('view this linked entry in its application');
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self::setElementAttribute($cname, 'help', $help);
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if($this->type == 'link-to') {
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if (!is_array(self::$request->sel_options[$form_name])) self::$request->sel_options[$form_name] = array();
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$apps = egw_link::app_list($cell['size'] ? $cell['size'] : 'query');
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asort($apps);
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self::$request->sel_options[$form_name] += $apps;
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}
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if($attrs['type'] == 'link-list') {
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$links = egw_link::get_links($app,$id,'','link_lastmod DESC',true, $value['show_deleted']);
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_debug_array($links);
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foreach($links as $link) {
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$value[] = $link;
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}
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}
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}
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/**
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* Find links that match the given parameters
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*/
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public static function ajax_link_search($app, $type, $pattern, $options=array()) {
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$options['type'] = $type ? $type : $options['type'];
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error_log("$app, $pattern, $options");
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$links = egw_link::query($app, $pattern, $options);
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$response = egw_json_response::get();
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$response->data($links);
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}
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public function get_links($value) {
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$app = $value['to_app'];
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$id = $value['to_id'];
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$links = egw_link::get_links($app,$id,'','link_lastmod DESC',true, $value['show_deleted']);
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_debug_array($links);
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return $links;
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}
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}
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203
etemplate/js/et2_widget_link.js
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203
etemplate/js/et2_widget_link.js
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/**
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* eGroupWare eTemplate2 - JS Link object
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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 Nathan Gray
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* @copyright 2011 Nathan Gray
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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jquery.jquery;
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jquery.jquery-ui;
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et2_core_inputWidget;
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et2_core_valueWidget;
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*/
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/**
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* UI widgets for Egroupware linking system
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*/
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var et2_link_to = et2_inputWidget.extend({
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attributes: {
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"application": {
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"name": "Application",
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"type": "string",
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"default": egw_getAppName(),
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"description": "Limit to the listed application or applications (comma seperated)"
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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": "",
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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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},
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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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init: function() {
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this._super.apply(this, arguments);
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this.div = null;
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this.search = null;
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this.app_select = null;
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this.cache = {};
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this.createInputWidget();
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},
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destroy: function() {
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this._super.apply(this, arguments);
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this.div = null;
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this.search.autocomplete("destroy");
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this.search = null;
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this.app_select = null;
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this.createInputWidget();
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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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// Application selection
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this.app_select = $j(document.createElement("select")).appendTo(this.div)
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.change(function(e) {
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self.cache = {}; // Clear cache when app changes
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self.options.value.app = this.val();
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});
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for(var key in this.options.select_options) {
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var option = $j(document.createElement("option"))
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.attr("value", key)
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.text(this.options.select_options[key]);
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option.appendTo(this.app_select);
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}
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self.options.value.app = this.app_select.val();
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// Search input
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this.search = $j(document.createElement("input")).attr("type", "search").appendTo(this.div);
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// Link button
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this.link_button = $j(document.createElement("button"))
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.text(egw.lang("link"))
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.appendTo(this.div).hide()
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.click(this, this.createLink);
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this.set_blur(this.blur ? this.blur : egw.lang("search"));
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this.search.autocomplete({
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source: function(request, response) { return self.query(request, response);},
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select: function(event, item) { event.data = self; self.select(event,item); return false;},
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focus: function(event, item) {
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event.stopPropagation();
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self.search.val(item.item.label);
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return false;
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},
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minLength: self.minimum_characters,
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disabled: self.options.disabled
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});
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this.setDOMNode(this.div[0]);
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},
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transformAttributes: function(_attrs) {
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this._super.apply(this, arguments);
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// Try to find the options inside the "sel-options" array
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_attrs["select_options"] = this.getArrayMgr("sel_options").getValueForID(this.id);
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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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.getValueForID("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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getValue: function() {
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return this.options.value;
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},
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set_blur: function(_value) {
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if(_value) {
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this.search.attr("placeholder", _value); // HTML5
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if(!this.search[0].placeholder) {
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// Not HTML5
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if(this.search.val() == "") this.search.val(this.options.blur);
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this.search.focus(this,function(e) {
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if(e.data.search.val() == e.data.options.blur) e.data.search.val("");
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}).blur(this, function(e) {
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if(e.data.search.val() == "") e.data.search.val(e.data.options.blur);
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});
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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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/**
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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, response) {
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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.search.addClass("loading");
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this.link_button.hide();
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var request = new egw_json_request("etemplate_widget_link::ajax_link_search::etemplate",
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[this.app_select.val(), '', request.term],
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this
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);
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this.response = response;
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request.sendRequest(true, this._results, this);
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},
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/**
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* User selected a value
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*/
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select: function(event, selected) {
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event.data.options.value.id = selected.item.value;
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event.data.search.val(selected.item.label);
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event.data.link_button.show();
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},
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/**
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* Server found some results
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*/
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_results: function(data) {
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this.search.removeClass("loading");
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var result = [];
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for(var id in data) {
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result.push({"value": id, "label":data[id]});
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}
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this.cache[this.search.val()] = result;
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this.response(result);
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},
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/**
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* Create a link using the current internal values
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*/
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createLink: function(event) {
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console.info("Link: ",event.data.options.value);
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event.data.link_button.hide();
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}
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});
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et2_register_widget(et2_link_to, ["link-to"]);
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@ -30,8 +30,8 @@
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et2_widget_tabs;
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et2_widget_hrule;
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et2_widget_image;
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et2_widget_upload;
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et2_widget_file;
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et2_widget_link;
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et2_extension_nextmatch;
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@ -190,6 +190,13 @@ span.et2_date span {
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font-size: 9pt;
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}
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/** Display a loading icon **/
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.loading {
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background-position: center right;
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background-repeat: no-repeat;
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background-image: url('gfx/ajax-loader.gif');
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}
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/**
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* File upload
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*/
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@ -237,6 +244,19 @@ span.et2_date span {
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.et2_file .progress li.success > span.progressBar {
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display: none;
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}
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/**
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* Autocomplete - used in link widget
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* Restricting result size
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*/
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.ui-autocomplete {
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max-height: 20ex;
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overflow-y: auto;
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/* prevent horizontal scrollbar */
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overflow-x: hidden;
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}
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.egw_tooltip
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{
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position: fixed;
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