mirror of
https://github.com/EGroupware/egroupware.git
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269 lines
6.6 KiB
TypeScript
269 lines
6.6 KiB
TypeScript
/**
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* EGroupware eTemplate2 - JS Ajax select / auto complete 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 Nathan Gray 2012
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*/
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/*egw:uses
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/vendor/bower-asset/jquery/dist/jquery.js;
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/vendor/bower-asset/jquery-ui/jquery-ui.js;
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et2_core_inputWidget;
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et2_core_valueWidget;
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*/
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import {et2_register_widget, WidgetConfig} from "./et2_core_widget";
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import {et2_inputWidget} from "./et2_core_inputWidget";
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import {ClassWithAttributes} from "./et2_core_inheritance";
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import {et2_valueWidget} from "./et2_core_valueWidget";
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import {et2_selectbox} from "./et2_widget_selectbox";
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/**
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* Using AJAX, this widget allows a type-ahead find similar to a ComboBox, where as the user enters information,
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* a drop-down box is populated with the n closest matches. If the user clicks on an item in the drop-down, that
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* value is selected.
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* n is the maximum number of results set in the user's preferences.
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* The user is restricted to selecting values in the list.
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* This widget can get data from any function that can provide data to a nextmatch widget.
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* @augments et2_inputWidget
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*/
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class et2_ajaxSelect extends et2_inputWidget
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{
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static readonly _attributes : any = {
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'get_rows': {
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"name": "Data source",
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"type": "any",
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"default": "",
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"description": "Function to get search results, either a javascript function or server-side."
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},
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'get_title': {
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"name": "Title function",
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"type": "any",
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"default": "",
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"description": "Function to get title for selected entry. Used when closed, and if no template is given."
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},
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'id_field': {
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"name": "Result ID field",
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"type": "string",
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"default": "value",
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"description": "Which key in result sub-array to look for row ID. If omitted, the key for the row will be used."
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},
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'template': {
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"name": "Row template",
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"type": "string",
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"default": "",
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"description": "ID of the template to use to display rows. If omitted, title will be shown for each result."
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},
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'filter': {
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"name": "Filter",
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"type": "string",
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"default": "",
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"description": "Apply filter to search results. Same as nextmatch."
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},
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'filter2': {
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"name": "Filter 2",
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"type": "string",
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"default": "",
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"description": "Apply filter to search results. Same as nextmatch."
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},
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'link': {
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"name": "Read only link",
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"type": "boolean",
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"default": "true",
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"description": "If readonly, widget will be text. If link is set, widget will be a link."
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},
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// Pass by code only
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'values': {
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"name": "Values",
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"type": "any",
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"default": {},
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"description": "Specify the available options. Use this, or Data source."
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}
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};
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private input: JQuery = null;
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private value : any;
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/**
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* Constructor
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*
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* @memberOf et2_ajaxSelect
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*/
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constructor(_parent, _attrs? : WidgetConfig, _child? : object)
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{
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// Call the inherited constructor
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super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_ajaxSelect._attributes, _child || {}));
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if(typeof _attrs.get_rows == 'string')
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{
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_attrs.get_rows = this.egw().link('/index.php', {
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menuaction: this.options.get_rows
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})
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}
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this.createInputWidget();
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this.input = null;
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this.createInputWidget();
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}
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createInputWidget() {
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this.input = jQuery(document.createElement("input"));
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this.input.addClass("et2_textbox");
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this.setDOMNode(this.input[0]);
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let widget = this;
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this.input.autocomplete({
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delay: 100,
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source: this.options.get_rows ?
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this.options.get_rows :
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et2_selectbox.find_select_options(this, this.options.values),
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select: function(event, ui) {
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widget.value = ui.item[widget.options.id_field];
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if(widget.options.get_title)
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{
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if(typeof widget.options.get_title == 'function')
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{
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widget.input.val(widget.options.get_title.call(widget.value));
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}
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else if (typeof widget.options.get_title == 'string')
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{
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// TODO: Server side callback
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}
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}
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else
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{
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widget.input.val(ui.item.label);
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}
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// Prevent default action of setting field to the value
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return false;
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}
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});
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}
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getValue()
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{
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if(this.options.blur && this.input.val() == this.options.blur) return "";
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return this.value;
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}
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set_value(_value)
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{
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this.value = _value;
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if(this.input.autocomplete('instance'))
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{
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let source = this.input.autocomplete('option','source');
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if(typeof source == 'object')
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{
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for(let i in source)
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{
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if(typeof source[i].value != 'undefined' && typeof source[i].label != 'undefined' && source[i].value === _value)
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{
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this.input.val(source[i].label)
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}
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else if (typeof source[i] == 'string')
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{
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this.input.val(source[_value]);
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break;
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}
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}
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}
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else if(typeof source == 'function')
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{
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// TODO
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}
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}
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}
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set_blur(_value)
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{
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if(_value) {
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this.input.attr("placeholder", _value + ""); // HTML5
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if(!this.input[0]["placeholder"]) {
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// Not HTML5
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if(this.input.val() == "") this.input.val(this.options.blur);
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this.input.focus(this,function(e) {
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if(e.data.input.val() == e.data.options.blur) e.data.input.val("");
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}).blur(this, function(e) {
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if(e.data.input.val() == "") e.data.input.val(e.data.options.blur);
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});
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}
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} else {
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this.input.removeAttr("placeholder");
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}
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}
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}
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et2_register_widget(et2_ajaxSelect, ["ajax_select"]);
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/**
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* et2_textbox_ro is the dummy readonly implementation of the textbox.
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* @augments et2_valueWidget
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*/
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class et2_ajaxSelect_ro extends et2_valueWidget implements et2_IDetachedDOM
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{
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/**
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* Ignore all more advanced attributes.
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*/
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static readonly _attributes : any = {
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"multiline": {
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"ignore": true
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}
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};
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private value: string;
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private span: JQuery;
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/**
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* Constructor
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*
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* @memberOf et2_ajaxSelect_ro
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*/
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constructor(_parent, _attrs? : WidgetConfig, _child? : object)
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{
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// Call the inherited constructor
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super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_ajaxSelect_ro._attributes, _child || {}));
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this.value = "";
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this.span = jQuery(document.createElement("span"));
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this.setDOMNode(this.span[0]);
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}
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set_value(_value)
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{
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this.value = _value;
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if(!_value) _value = "";
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this.span.text(_value);
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}
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/**
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* Code for implementing et2_IDetachedDOM
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*/
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getDetachedAttributes(_attrs)
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{
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_attrs.push("value");
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}
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getDetachedNodes()
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{
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return [this.span[0]];
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}
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setDetachedAttributes(_nodes, _values)
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{
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this.span = jQuery(_nodes[0]);
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if(typeof _values["value"] != 'undefined')
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{
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this.set_value(_values["value"]);
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}
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}
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}
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et2_register_widget(et2_ajaxSelect_ro, ["ajax_select_ro"]);
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