/** * EGroupware eTemplate2 - JS Selectbox object * * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License * @package etemplate * @subpackage api * @link http://www.egroupware.org * @author Nathan Gray * @author Andreas Stöckel * @copyright Nathan Gray 2011 * @version $Id$ */ "use strict"; /*egw:uses jquery.jquery; /phpgwapi/js/jquery/chosen/chosen.jquery.js; et2_core_xml; et2_core_DOMWidget; et2_core_inputWidget; */ /** * @augments et2_inputWidget */ var et2_selectbox = et2_inputWidget.extend( { attributes: { "multiple": { "name": "multiple", "type": "boolean", "default": false, "description": "Allow selecting multiple options" }, "rows": { "name": "Rows", "type": "any", // Old options put either rows or empty_label in first space "default": 1, "description": "Number of rows to display" }, "empty_label": { "name": "Empty label", "type": "string", "default": "", "description": "Textual label for first row, eg: 'All' or 'None'. ID will be ''" }, "select_options": { "type": "any", "name": "Select options", "default": {}, "description": "Internaly used to hold the select options." }, "selected_first": { "name": "Selected options first", "type": "boolean", "default": true, "description": "For multi-selects, put the selected options at the top of the list when first loaded" }, // Chosen options "search": { "name": "Search", "type": "boolean", "default": false, "description": "For single selects, add a search box to the drop-down list" }, "tags": { "name": "Tag style", "type": "boolean", "default": false, "description": "For multi-selects, displays selected as a list of tags instead of a big list" }, // Value can be string or integer "value": { "type": "any" }, // Type specific legacy options. Avoid using. "other": { "ignore": true, "type": "any" } }, legacyOptions: ["rows","other"], // Other is sub-type specific /** * Construtor * * @memberOf et2_selectbox */ init: function() { this._super.apply(this, arguments); this.input = null; this.value = ''; // Grab value if already available if(typeof this.options.value != 'undefined') { this.value = this.options.value; } // Allow no other widgets inside this one this.supportedWidgetClasses = []; // Legacy options could have row count or empty label in first slot if(typeof this.options.rows == "string") { if(isNaN(this.options.rows)) { this.options.empty_label = this.egw().lang(this.options.rows); this.options.rows = 1; } else { this.options.rows = parseInt(this.options.rows); } } if(this.options.rows > 1) { this.options.multiple = true; if(this.options.tags) { this.createInputWidget(); } else { this.createMultiSelect(); } } else { this.createInputWidget(); } }, destroy: function() { this._super.apply(this, arguments); this.input = null; }, transformAttributes: function(_attrs) { this._super.apply(this, arguments); // If select_options are already known, skip the rest if(this.options && this.options.select_options && !jQuery.isEmptyObject(this.options.select_options)) { return; } var name_parts = this.id.replace(/[/g,'[').replace(/]|]/g,'').split('['); // Try to find the options inside the "sel-options" array if(this.getArrayMgr("sel_options")) { var content_options = {}; // Try first according to ID content_options = this.getArrayMgr("sel_options").getEntry(this.id); // ID can get set to an array with 0 => ' ' - not useful if(content_options && content_options.length == 1 && typeof content_options[0] != 'undefined' && content_options[0].trim() == '') { content_options = null; } // We could wind up too far inside options if label,title are defined if(content_options && !isNaN(name_parts[name_parts.length -1]) && content_options.label && content_options.title) { name_parts.pop(); content_options = this.getArrayMgr("sel_options").getEntry(name_parts.join('[')); delete content_options["$row"]; } // Select options tend to be defined once, at the top level, so try that if(!content_options || content_options.length == 0) { content_options = this.getArrayMgr("sel_options").getRoot().getEntry(name_parts[name_parts.length-1]); } // Try in correct namespace (inside a grid or something) if(!content_options || content_options.length == 0) { content_options = this.getArrayMgr("sel_options").getEntry(name_parts[name_parts.length-1]); } // Maybe in a row, and options got stuck in ${row} instead of top level var row_stuck = ['${row}','{$row}']; for(var i = 0; i < row_stuck.length; i++) { if((!content_options || content_options.length == 0) && ( // perspectiveData.row in nm, data["${row}"] in an auto-repeat grid this.getArrayMgr("sel_options").perspectiveData.row || this.getArrayMgr("sel_options").data[row_stuck[i]])) { var row_id = this.id.replace(/[0-9]+/,row_stuck[i]); content_options = this.getArrayMgr("sel_options").getEntry(row_id); if(!content_options || content_options.length == 0) { content_options = this.getArrayMgr("sel_options").getEntry(row_stuck[i] + '[' + this.id + ']'); } } } if(_attrs["select_options"] && content_options) { _attrs["select_options"] = jQuery.extend({},_attrs["select_options"],content_options); } else if (content_options) { _attrs["select_options"] = content_options; } } // Check whether the options entry was found, if not read it from the // content array. if (jQuery.isEmptyObject(_attrs["select_options"])) { // If that didn't work, check according to ID _attrs["select_options"] = content_options ? content_options : this.getArrayMgr('content') .getEntry("options-" + this.id); // Again, try last name part at top level - this is usually just the value var content_options = this.getArrayMgr('content').getRoot().getEntry(name_parts[name_parts.length-1]); } // Default to an empty object if (_attrs["select_options"] == null) { _attrs["select_options"] = {}; } }, /** * Add an option to regular drop-down select */ _appendOptionElement: function(_value, _label, _title, dom_element) { if(_value == "" && (_label == null || _label == "")) { _label = this.options.empty_label; } if(this.input == null) { return this._appendMultiOption(_value, _label, _title, dom_element); } var option = $j(document.createElement("option")) .attr("value", _value) .text(_label+""); if (typeof _title != "undefined" && _title) { option.attr("title", _title); } if(_label == this.options.empty_label || this.options.empty_label == "" && _value == "") { // Make sure empty / all option is first option.prependTo(this.input); } else { option.appendTo(dom_element || this.input); } }, /** * Append a value to multi-select */ _appendMultiOption: function(_value, _label, _title, dom_element) { var option_data = null; if(typeof _label == "object") { option_data = _label; _label = option_data.label; } // Already in header if(_label == this.options.empty_label) return; var opt_id = this.id + "_opt_" + _value; var label = jQuery(document.createElement("label")) .attr("for", opt_id) .hover( function() {jQuery(this).addClass("ui-state-hover");}, function() {jQuery(this).removeClass("ui-state-hover");} ); var option = jQuery(document.createElement("input")) .attr("type", "checkbox") .attr("id",opt_id) .attr("value", _value) .appendTo(label); if(typeof _title !== "undefined") { option.attr("title",_title); } // Some special stuff for categories if(option_data ) { if(option_data.icon) { var img = this.egw().image(option_data.icon); jQuery(document.createElement("img")) .attr("src", img) .appendTo(label); } if(option_data.color) { label.css("background-color",option_data.color); } } label.append(jQuery(""+_label+"")); var li = jQuery(document.createElement("li")).append(label); li.appendTo(dom_element || this.multiOptions); }, /** * Create a regular drop-down select box */ createInputWidget: function() { // Create the base input widget this.input = $j(document.createElement("select")) .addClass("et2_selectbox") .attr("size", this.options.rows); this.setDOMNode(this.input[0]); // Add the empty label if(this.options.empty_label) { this._appendOptionElement("" == this.value ? "selected" : "", this.options.empty_label); } // Set multiple if(this.options.multiple) { this.input.attr("multiple", "multiple"); } }, /** * Create a list of checkboxes */ createMultiSelect: function() { var node = jQuery(document.createElement("div")) .addClass("et2_selectbox"); var header = jQuery(document.createElement("div")) .addClass("ui-widget-header ui-helper-clearfix") .appendTo(node); var controls = jQuery(document.createElement("ul")) .addClass('ui-helper-reset') .appendTo(header); if(this.options.empty_label) { jQuery(document.createElement("span")) .text(this.options.empty_label) .addClass("ui-multiselect-header") .appendTo(header); } // Set up for options to be added later var options = this.multiOptions = jQuery(document.createElement("ul")); this.multiOptions.addClass("ui-multiselect-checkboxes ui-helper-reset") .css("height", 1.9*this.options.rows + "em") .appendTo(node); if(this.options.rows >= 5) { // Check / uncheck all var header_controls = { check: { icon_class: 'ui-icon-check', label: 'Check all', click: function(e) { var all_set = jQuery("input[type='checkbox']",e.data).prop("checked"); jQuery("input[type='checkbox']",e.data).prop("checked", !all_set); } }, }; for(var key in header_controls) { jQuery(document.createElement("li")) .addClass("et2_clickable") .click(options, header_controls[key].click) .append('') .appendTo(controls); } } // Hide the header, only show it on hover / focus, but show it out of flow, above // the list of options so it doesn't reflow the page var hide_header = !this.options.empty_label && !this.options.label; if(hide_header) { // Hide header header.hide(); // Show / hide again node.on('mouseenter focusin', function() { header.show(); header.css("width", header.css("width")); header.css("position", "absolute"); header.css("top", options.position().top - header.outerHeight()); }); node.on('mouseleave focusout', function() {if(hide_header) header.hide();}); } this.setDOMNode(node[0]); }, doLoadingFinished: function() { this._super.apply(this, arguments); this.set_tags(this.options.tags); return true; }, loadFromXML: function(_node) { // Handle special case where legacy option for empty label is used (conflicts with rows), and rows is set as an attribute var legacy; if(legacy = _node.getAttribute("options")) { var legacy = legacy.split(","); if(legacy.length && isNaN(legacy[0])) { this.options.empty_label = legacy[0]; } } // Read the option-tags var options = et2_directChildrenByTagName(_node, "options"); for (var i = 0; i < options.length; i++) { this.options.select_options[et2_readAttrWithDefault(options[i], "value", options[i].textContent)] = { "label": options[i].textContent, "title": et2_readAttrWithDefault(options[i], "title", "") }; } this.set_select_options(this.options.select_options); }, set_value: function(_value) { if(typeof _value == "string" && this.options.multiple && _value.match(/[,0-9A-Za-z]+$/) !== null) { _value = _value.split(','); } if(this.input !== null && (this.options.tags || this.options.search)) { this.input.val(_value); this.input.trigger("liszt:updated"); return; } if(this.input == null) { return this.set_multi_value(_value); } if(typeof _value != 'string' && jQuery(this.value).not(_value).length == 0 && jQuery(_value).not(this.value).length == 0) { // Unchanged if(_value == this.value) return; } jQuery("option",this.input).attr("selected", false); if(typeof _value == "array") { for(var i = 0; i < _value.length; i++) { jQuery("option[value='"+_value[i]+"']", this.input).attr("selected", true); } } else if (typeof _value == "object") { for(var i in _value) { jQuery("option[value='"+_value[i]+"']", this.input).attr("selected", true); } } else { if(jQuery("option[value='"+_value+"']", this.input).attr("selected", true).length == 0) { if(this.options.select_options[_value]) { // Options not set yet? Do that now, which will try again. return this.set_select_options(this.options.select_options); } this.egw().debug("warning", "Tried to set value that isn't an option", this, _value); } } this.value = _value; }, set_multi_value: function(_value) { jQuery("input",this.multiOptions).attr("checked", false); if(typeof _value == "array") { for(var i = 0; i < _value.length; i++) { jQuery("input[value='"+_value[i]+"']", this.multiOptions).attr("checked", true); } } else if (typeof _value == "object") { for(var i in _value) { jQuery("input[value='"+_value[i]+"']", this.multiOptions).attr("checked", true); } } else { if(jQuery("input[value='"+_value+"']", this.multiOptions).attr("checked", true).length == 0) { this.egw().debug("warning", "Tried to set value that isn't an option", this, _value); } } // Sort selected to the top if(this.selected_first) { this.multiOptions.find("li:has(input:checked)").prependTo(this.multiOptions); } }, /** * Turn tag style on and off */ set_tags: function(tags) { this.options.tags = tags; // Can't actually do chosen until attached, loadingFinished should call again if(!this.isAttached()) return; if(this.input != null && !this.options.tags && !this.options.search) { this.input.unchosen().css('width', ''); return; } // Turn on tags, if desired if(this.input != null && (this.options.search || this.options.tags) && !this.options.disabled) { if(this.options.empty_label) { this.input.attr("data-placeholder", this.options.empty_label); } this.input.css("width",this.options.tags ? "100%":'') .chosen({ }) .change(this.onchange); } }, /** * The set_select_options function is added, as the select options have to be * added after the "option"-widgets were added to selectbox. */ set_select_options: function(_options) { // Empty current options if(this.input) { this.input.empty(); } else if (this.multiOptions) { this.multiOptions.empty(); } // Re-add empty, it's usually not there if(this.options.empty_label) { this._appendOptionElement('', this.options.no_lang ? this.options.empty_label : this.egw().lang(this.options.empty_label)); } // Add the select_options for (var key in _options) { // Translate the options if(!this.options.no_lang) { if (typeof _options[key] === 'object') { if(_options[key]["label"]) _options[key]["label"] = this.egw().lang(_options[key]["label"]); if(_options[key]["title"]) _options[key]["title"] = this.egw().lang(_options[key]["title"]); } else { _options[key] = this.egw().lang(_options[key]); } } if (typeof _options[key] === 'object' && _options[key] != null) { // Optgroup if(typeof _options[key]["label"] == 'undefined' && typeof _options[key]["title"] == "undefined") { var group = $j(document.createElement("optgroup")) .attr("label", this.options.no_lang ? key : this.egw().lang(key)) .appendTo(this.input); if(this.input == null) { group = jQuery(document.createElement("ul")) .append('