forked from extern/egroupware
889 lines
34 KiB
JavaScript
889 lines
34 KiB
JavaScript
/**
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* EGroupware eTemplate2 - JS Widget base class
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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 https://www.egroupware.org
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* @author Andreas Stöckel
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*/
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/*egw:uses
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jsapi.egw;
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et2_core_xml;
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et2_core_common;
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et2_core_inheritance;
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et2_core_arrayMgr;
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*/
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import { ClassWithAttributes } from './et2_core_inheritance';
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import { et2_arrayMgr } from "./et2_core_arrayMgr";
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import { egw } from "../jsapi/egw_global";
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import { et2_cloneObject, et2_csvSplit } from "./et2_core_common";
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import { et2_compileLegacyJS } from "./et2_core_legacyJSFunctions";
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import { et2_IDOMNode, et2_IInputNode } from "./et2_core_interfaces";
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/**
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* The registry contains all XML tag names and the corresponding widget
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* constructor.
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*/
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export var et2_registry = {};
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export var et2_attribute_registry = {};
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/**
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* Registers the widget class defined by the given constructor, registers all its class attributes, and associates it
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* with the types in the _types array.
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*
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* @param {function} _constructor constructor
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* @param {array} _types widget types _constructor wants to register for
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*/
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export function et2_register_widget(_constructor, _types) {
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"use strict";
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et2_attribute_registry[_constructor.name] = ClassWithAttributes.buildAttributes(_constructor);
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// Iterate over all given types and register those
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for (var i = 0; i < _types.length; i++) {
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var type = _types[i].toLowerCase();
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// Check whether a widget has already been registered for one of the
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// types.
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if (et2_registry[type]) {
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egw.debug("warn", "Widget class registered for " + type +
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" will be overwritten.");
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}
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et2_registry[type] = _constructor;
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}
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}
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/**
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* Creates a widget registered for the given tag-name. If "readonly" is listed
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* inside the attributes, et2_createWidget will try to use the "_ro" type of the
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* widget.
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*
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* @param _name is the name of the widget with which it is registered. If the
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* widget is not found, an et2_placeholder will be created.
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* @param _attrs is an associative array with attributes. If not passed, it will
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* default to an empty object.
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* @param _parent is the parent to which the element will be attached. If _parent
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* is not passed, it will default to null. Then you have to attach the element
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* to a parent using the addChild or insertChild method.
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*/
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export function et2_createWidget(_name, _attrs, _parent) {
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"use strict";
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if (typeof _attrs == "undefined") {
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_attrs = {};
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}
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if (typeof _attrs != "object") {
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_attrs = {};
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}
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if (typeof _parent == "undefined") {
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_parent = null;
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}
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// Parse the "readonly" and "type" flag for this element here, as they
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// determine which constructor is used
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var nodeName = _attrs["type"] = _name;
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var readonly = _attrs["readonly"] =
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typeof _attrs["readonly"] == "undefined" ? false : _attrs["readonly"];
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// Get the constructor - if the widget is readonly, use the special "_ro"
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// constructor if it is available
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let constructor = et2_registry[typeof et2_registry[nodeName] == "undefined" ? 'placeholder' : nodeName];
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if (readonly && typeof et2_registry[nodeName + "_ro"] != "undefined") {
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constructor = et2_registry[nodeName + "_ro"];
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}
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// Do an sanity check for the attributes
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ClassWithAttributes.generateAttributeSet(et2_attribute_registry[constructor.name], _attrs);
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// Create the new widget and return it
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return new constructor(_parent, _attrs);
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}
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/**
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* The et2 widget base class.
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*
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* @augments ClassWithAttributes
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*/
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export class et2_widget extends ClassWithAttributes {
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/**
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* Widget constructor
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*
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* To implement the attributes inheritance and overriding each extending class/widget needs to call:
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*
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* super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_DOMWidget._attributes, _child || {}));
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*
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* @param _parent is the parent object from the XML tree which contains this
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* object. The default constructor always adds the new instance to the
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* children list of the given parent object. _parent may be NULL.
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* @param _attrs is an associative array of attributes.
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* @param _child attributes object from the child
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*/
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constructor(_parent, _attrs, _child) {
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super(); // because we in the top of the widget hierarchy
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this._children = [];
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this._mgrs = {};
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/**
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* This is used and therefore it we can not (yet) make it private
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*
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* @deprecated use this.getInstanceMgr()
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*/
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this._inst = null;
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this.attributes = ClassWithAttributes.extendAttributes(et2_widget._attributes, _child || {});
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// Check whether all attributes are available
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if (typeof _parent == "undefined") {
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_parent = null;
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}
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if (typeof _attrs == "undefined") {
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_attrs = {};
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}
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if (_attrs.attributes) {
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jQuery.extend(_attrs, _attrs.attributes);
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}
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// Initialize all important parameters
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this._mgrs = {};
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this._inst = null;
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this._children = [];
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this._type = _attrs["type"];
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this.id = _attrs["id"];
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// Add this widget to the given parent widget
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if (_parent != null) {
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_parent.addChild(this);
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}
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// The supported widget classes array defines a whitelist for all widget
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// classes or interfaces child widgets have to support.
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this.supportedWidgetClasses = [et2_widget];
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if (_attrs["id"]) {
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// Create a namespace for this object
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if (this._createNamespace()) {
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this.checkCreateNamespace(_attrs);
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}
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}
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if (this.id) {
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//this.id = this.id.replace(/\[/g,'[').replace(/]/g,']');
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}
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// Add all attributes hidden in the content arrays to the attributes
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// parameter
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this.transformAttributes(_attrs);
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// Create a local copy of the options object
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this.options = et2_cloneObject(_attrs);
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}
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/**
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* The destroy function destroys all children of the widget, removes itself
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* from the parents children list.
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* In all classes derrived from et2_widget ALWAYS override the destroy
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* function and remove ALL references to other objects. Also remember to
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* unbind ANY event this widget created and to remove all DOM-Nodes it
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* created.
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*/
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destroy() {
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// Call the destructor of all children
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for (var i = this._children.length - 1; i >= 0; i--) {
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this._children[i].destroy();
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}
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// Remove this element from the parent, if it exists
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if (typeof this._parent != "undefined" && this._parent !== null) {
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this._parent.removeChild(this);
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}
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// Free the array managers if they belong to this widget
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for (var key in this._mgrs) {
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if (this._mgrs[key] && this._mgrs[key].owner == this) {
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this._mgrs[key].destroy();
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}
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}
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}
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getType() {
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return this._type;
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}
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setType(_type) {
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this._type = _type;
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}
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/**
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* Creates a copy of this widget. The parameters given are passed to the
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* constructor of the copied object. If the parameters are omitted, _parent
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* is defaulted to null
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*
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* @param {et2_widget} _parent parent to set for clone, default null
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*/
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clone(_parent) {
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// Default _parent to null
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if (typeof _parent == "undefined") {
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_parent = null;
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}
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// Create the copy
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var copy = new this.constructor(_parent, this.options);
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// Assign this element to the copy
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copy.assign(this);
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return copy;
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}
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assign(_obj) {
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if (typeof _obj._children == "undefined") {
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this.egw().debug("log", "Foo!");
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}
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// Create a clone of all child elements of the given object
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for (var i = 0; i < _obj._children.length; i++) {
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_obj._children[i].clone(this);
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}
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// Copy a reference to the content array manager
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this.setArrayMgrs(_obj.mgrs);
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}
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/**
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* Returns the parent widget of this widget
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*/
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getParent() {
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return this._parent;
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}
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/**
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* Returns the list of children of this widget.
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*/
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getChildren() {
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return this._children;
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}
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/**
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* Returns the base widget
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*/
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getRoot() {
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if (this._parent != null) {
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return this._parent.getRoot();
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}
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else {
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return this;
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}
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}
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/**
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* Inserts an child at the end of the list.
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*
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* @param _node is the node which should be added. It has to be an instance
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* of et2_widget
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*/
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addChild(_node) {
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this.insertChild(_node, this._children.length);
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}
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/**
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* Inserts a child at the given index.
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*
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* @param _node is the node which should be added. It has to be an instance
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* of et2_widget
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* @param _idx is the position at which the element should be added.
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*/
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insertChild(_node, _idx) {
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// Check whether the node is one of the supported widget classes.
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if (this.isOfSupportedWidgetClass(_node)) {
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// Remove the node from its original parent
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if (_node._parent) {
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_node._parent.removeChild(_node);
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}
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_node._parent = this;
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this._children.splice(_idx, 0, _node);
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}
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else {
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this.egw().debug("error", "Widget " + _node._type + " is not supported by this widget class", this);
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// throw("Widget is not supported by this widget class!");
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}
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}
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/**
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* Removes the child but does not destroy it.
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*
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* @param {et2_widget} _node child to remove
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*/
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removeChild(_node) {
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// Retrieve the child from the child list
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var idx = this._children.indexOf(_node);
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if (idx >= 0) {
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// This element is no longer parent of the child
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_node._parent = null;
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this._children.splice(idx, 1);
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}
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}
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/**
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* Searches an element by id in the tree, descending into the child levels.
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*
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* @param _id is the id you're searching for
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*/
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getWidgetById(_id) {
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if (this.id == _id) {
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return this;
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}
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if (!this._children)
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return null;
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for (var i = 0; i < this._children.length; i++) {
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var elem = this._children[i].getWidgetById(_id);
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if (elem != null) {
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return elem;
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}
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}
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if (this.id && _id.indexOf('[') > -1 && this._children.length) {
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var ids = (new et2_arrayMgr()).explodeKey(_id);
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var widget = this;
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for (var i = 0; i < ids.length && widget !== null; i++) {
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widget = widget.getWidgetById(ids[i]);
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}
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return widget;
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}
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return null;
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}
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/**
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* Function which allows iterating over the complete widget tree.
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*
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* @param _callback is the function which should be called for each widget
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* @param _context is the context in which the function should be executed
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* @param _type is an optional parameter which specifies a class/interface
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* the elements have to be instanceOf.
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*/
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iterateOver(_callback, _context, _type) {
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if (typeof _type == "undefined") {
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_type = et2_widget;
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}
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if (this.isInTree() && this.instanceOf(_type)) {
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_callback.call(_context, this);
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}
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for (var i = 0; i < this._children.length; i++) {
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this._children[i].iterateOver(_callback, _context, _type);
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}
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}
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/**
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* Returns true if the widget currently resides in the visible part of the
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* widget tree. E.g. Templates which have been cloned are not in the visible
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* part of the widget tree.
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*
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* @param _sender
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* @param {boolean} _vis can be used by widgets overwriting this function - simply
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* write
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* return this._super(inTree);
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* when calling this function the _vis parameter does not have to be supplied.
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*/
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isInTree(_sender, _vis) {
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if (typeof _vis == "undefined") {
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_vis = true;
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}
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if (this._parent) {
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return _vis && this._parent.isInTree(this);
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}
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return _vis;
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}
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isOfSupportedWidgetClass(_obj) {
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for (var i = 0; i < this.supportedWidgetClasses.length; i++) {
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if (_obj instanceof this.supportedWidgetClasses[i]) {
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return true;
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}
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}
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return false;
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}
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/**
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* The parseXMLAttrs function takes an XML DOM attributes object
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* and adds the given attributes to the _target associative array. This
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* function also parses the legacyOptions.
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*
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* @param _attrsObj is the XML DOM attributes object
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* @param {object} _target is the object to which the attributes should be written.
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* @param {et2_widget} _proto prototype with attributes and legacyOptions attribute
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*/
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parseXMLAttrs(_attrsObj, _target, _proto) {
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// Check whether the attributes object is really existing, if not abort
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if (typeof _attrsObj == "undefined") {
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return;
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}
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// Iterate over the given attributes and parse them
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var mgr = this.getArrayMgr("content");
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for (var i = 0; i < _attrsObj.length; i++) {
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var attrName = _attrsObj[i].name;
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var attrValue = _attrsObj[i].value;
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// Special handling for the legacy options
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if (attrName == "options" && _proto.constructor.legacyOptions && _proto.constructor.legacyOptions.length > 0) {
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let legacy = _proto.constructor.legacyOptions || [];
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let attrs = et2_attribute_registry[Object.getPrototypeOf(_proto).constructor.name] || {};
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// Check for modifications on legacy options here. Normal modifications
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// are handled in widget constructor, but it's too late for legacy options then
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if (_target.id && this.getArrayMgr("modifications").getEntry(_target.id)) {
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var mod = this.getArrayMgr("modifications").getEntry(_target.id);
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if (typeof mod.options != "undefined")
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attrValue = _attrsObj[i].value = mod.options;
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}
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// expand legacyOptions with content
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if (attrValue.charAt(0) == '@' || attrValue.indexOf('$') != -1) {
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attrValue = mgr.expandName(attrValue);
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}
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// Parse the legacy options (as a string, other types not allowed)
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var splitted = et2_csvSplit(attrValue + "");
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for (var j = 0; j < splitted.length && j < legacy.length; j++) {
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// Blank = not set, unless there's more legacy options provided after
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if (splitted[j].trim().length === 0 && legacy.length >= splitted.length)
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continue;
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// Check to make sure we don't overwrite a current option with a legacy option
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if (typeof _target[legacy[j]] === "undefined") {
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attrValue = splitted[j];
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/**
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If more legacy options than expected, stuff them all in the last legacy option
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Some legacy options take a comma separated list.
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*/
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if (j == legacy.length - 1 && splitted.length > legacy.length) {
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attrValue = splitted.slice(j);
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}
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var attr = et2_attribute_registry[_proto.constructor.name][legacy[j]] || {};
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// If the attribute is marked as boolean, parse the
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// expression as bool expression.
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if (attr.type == "boolean") {
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attrValue = mgr.parseBoolExpression(attrValue);
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}
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else if (typeof attrValue != "object") {
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attrValue = mgr.expandName(attrValue);
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}
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_target[legacy[j]] = attrValue;
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}
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}
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}
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else if (attrName == "readonly" && typeof _target[attrName] != "undefined") {
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// do NOT overwrite already evaluated readonly attribute
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}
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else {
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let attrs = et2_attribute_registry[_proto.constructor.name] || {};
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if (mgr != null && typeof attrs[attrName] != "undefined") {
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var attr = attrs[attrName];
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// If the attribute is marked as boolean, parse the
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// expression as bool expression.
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if (attr.type == "boolean") {
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attrValue = mgr.parseBoolExpression(attrValue);
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}
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else {
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attrValue = mgr.expandName(attrValue);
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}
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}
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// Set the attribute
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_target[attrName] = attrValue;
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}
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}
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}
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/**
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* Apply the "modifications" to the element and translate attributes marked
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* with "translate: true"
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*
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* @param {object} _attrs
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*/
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transformAttributes(_attrs) {
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// Apply the content of the modifications array
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if (this.id) {
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if (typeof this.id != "string") {
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console.log(this.id);
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}
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if (this.getArrayMgr("modifications")) {
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var data = this.getArrayMgr("modifications").getEntry(this.id);
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// Check for already inside namespace
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if (this._createNamespace() && this.getArrayMgr("modifications").perspectiveData.owner == this) {
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data = this.getArrayMgr("modifications").data;
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}
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if (typeof data === 'object') {
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for (var key in data) {
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_attrs[key] = data[key];
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}
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}
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}
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}
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// Translate the attributes
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for (var key in _attrs) {
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if (_attrs[key] && typeof this.attributes[key] != "undefined") {
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if (this.attributes[key].translate === true ||
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(this.attributes[key].translate === "!no_lang" && !_attrs["no_lang"])) {
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let value = _attrs[key];
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// allow statustext to contain multiple translated sub-strings eg: {Firstname}.{Lastname}
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if (value.indexOf('{') !== -1) {
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const egw = this.egw();
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_attrs[key] = value.replace(/{([^}]+)}/g, function (str, p1) {
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return egw.lang(p1);
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});
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}
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else {
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_attrs[key] = this.egw().lang(value);
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}
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}
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}
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}
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}
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/**
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* Create a et2_widget from an XML node.
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*
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* First the type and attributes are read from the node. Then the readonly & modifications
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* arrays are checked for changes specific to the loaded data. Then the appropriate
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* constructor is called. After the constructor returns, the widget has a chance to
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* further initialize itself from the XML node when the widget's loadFromXML() method
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* is called with the node.
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*
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* @param _node XML node to read
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* @param _name XML node name
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*
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|
* @return et2_widget
|
|
*/
|
|
createElementFromNode(_node, _name) {
|
|
var attributes = {};
|
|
// Parse the "readonly" and "type" flag for this element here, as they
|
|
// determine which constructor is used
|
|
var _nodeName = attributes["type"] = _node.getAttribute("type") ?
|
|
_node.getAttribute("type") : _node.nodeName.toLowerCase();
|
|
var readonly = attributes["readonly"] = this.getArrayMgr("readonlys") ?
|
|
this.getArrayMgr("readonlys").isReadOnly(_node.getAttribute("id"), _node.getAttribute("readonly"), typeof this.readonly !== 'undefined' ? this.readonly : this.options.readonly) : false;
|
|
// Check to see if modifications change type
|
|
var modifications = this.getArrayMgr("modifications");
|
|
if (modifications && _node.getAttribute("id")) {
|
|
var entry = modifications.getEntry(_node.getAttribute("id"));
|
|
if (entry == null) {
|
|
// Try again, but skip the fancy stuff
|
|
// TODO: Figure out why the getEntry() call doesn't always work
|
|
var entry = modifications.data[_node.getAttribute("id")];
|
|
if (entry) {
|
|
this.egw().debug("warn", "getEntry(" + _node.getAttribute("id") + ") failed, but the data is there.", modifications, entry);
|
|
}
|
|
else {
|
|
// Try the root, in case a namespace got missed
|
|
entry = modifications.getRoot().getEntry(_node.getAttribute("id"));
|
|
}
|
|
}
|
|
if (entry && entry.type && typeof entry.type === 'string') {
|
|
_nodeName = attributes["type"] = entry.type;
|
|
}
|
|
entry = null;
|
|
}
|
|
// if _nodeName / type-attribute contains something to expand (eg. type="@${row}[type]"),
|
|
// we need to expand it now as it defines the constructor and by that attributes parsed via parseXMLAttrs!
|
|
if (_nodeName.charAt(0) == '@' || _nodeName.indexOf('$') >= 0) {
|
|
_nodeName = attributes["type"] = this.getArrayMgr('content').expandName(_nodeName);
|
|
}
|
|
// Get the constructor - if the widget is readonly, use the special "_ro"
|
|
// constructor if it is available
|
|
var constructor = et2_registry[typeof et2_registry[_nodeName] == "undefined" ? 'placeholder' : _nodeName];
|
|
if (readonly === true && typeof et2_registry[_nodeName + "_ro"] != "undefined") {
|
|
constructor = et2_registry[_nodeName + "_ro"];
|
|
}
|
|
// Parse the attributes from the given XML attributes object
|
|
this.parseXMLAttrs(_node.attributes, attributes, constructor.prototype);
|
|
// Do an sanity check for the attributes
|
|
ClassWithAttributes.generateAttributeSet(et2_attribute_registry[constructor.name], attributes);
|
|
// Creates the new widget, passes this widget as an instance and
|
|
// passes the widgetType. Then it goes on loading the XML for it.
|
|
var widget = new constructor(this, attributes);
|
|
// Load the widget itself from XML
|
|
widget.loadFromXML(_node);
|
|
return widget;
|
|
}
|
|
/**
|
|
* Loads the widget tree from an XML node
|
|
*
|
|
* @param _node xml node
|
|
*/
|
|
loadFromXML(_node) {
|
|
// Load the child nodes.
|
|
for (var i = 0; i < _node.childNodes.length; i++) {
|
|
var node = _node.childNodes[i];
|
|
var widgetType = node.nodeName.toLowerCase();
|
|
if (widgetType == "#comment") {
|
|
continue;
|
|
}
|
|
if (widgetType == "#text") {
|
|
if (node.data.replace(/^\s+|\s+$/g, '')) {
|
|
this.loadContent(node.data);
|
|
}
|
|
continue;
|
|
}
|
|
// Create the new element
|
|
this.createElementFromNode(node);
|
|
}
|
|
}
|
|
/**
|
|
* Called whenever textNodes are loaded from the XML tree
|
|
*
|
|
* @param _content
|
|
*/
|
|
loadContent(_content) {
|
|
}
|
|
/**
|
|
* Called when loading the widget (sub-tree) is finished. First when this
|
|
* function is called, the DOM-Tree is created. loadingFinished is
|
|
* recursively called for all child elements. Do not directly override this
|
|
* function but the doLoadingFinished function which is executed before
|
|
* descending deeper into the DOM-Tree.
|
|
*
|
|
* Some widgets (template) do not load immediately because they request
|
|
* additional resources via AJAX. They will return a Deferred Promise object.
|
|
* If you call loadingFinished(promises) after creating such a widget
|
|
* programmatically, you might need to wait for it to fully complete its
|
|
* loading before proceeding. In that case use:
|
|
* <code>
|
|
* var promises = [];
|
|
* widget.loadingFinished(promises);
|
|
* jQuery.when.apply(null, promises).done( doneCallback );
|
|
* </code>
|
|
* @see {@link http://api.jquery.com/category/deferred-object/|jQuery Deferred}
|
|
*
|
|
* @param {Promise[]} promises List of promises from widgets that are not done. Pass an empty array, it will be filled if needed.
|
|
*/
|
|
loadingFinished(promises) {
|
|
// Call all availble setters
|
|
this.initAttributes(this.options);
|
|
// Make sure promises is defined to avoid errors.
|
|
// We'll warn (below) if programmer should have passed it.
|
|
if (typeof promises == "undefined") {
|
|
promises = [];
|
|
var warn_if_deferred = true;
|
|
}
|
|
var loadChildren = function () {
|
|
// Descend recursively into the tree
|
|
for (var i = 0; i < this._children.length; i++) {
|
|
try {
|
|
this._children[i].loadingFinished(promises);
|
|
}
|
|
catch (e) {
|
|
egw.debug("error", "There was an error with a widget:\nError:%o\nProblem widget:%o", e.valueOf(), this._children[i], e.stack);
|
|
}
|
|
}
|
|
};
|
|
var result = this.doLoadingFinished();
|
|
if (typeof result == "boolean" && result) {
|
|
// Simple widget finishes nicely
|
|
loadChildren.apply(this, arguments);
|
|
}
|
|
else if (typeof result == "object" && result.done) {
|
|
// Warn if list was not provided
|
|
if (warn_if_deferred) {
|
|
// Might not be a problem, but if you need the widget to be really loaded, it could be
|
|
egw.debug("warn", "Loading was deferred for widget %o, but creator is not checking. Pass a list to loadingFinished().", this);
|
|
}
|
|
// Widget is waiting. Add to the list
|
|
promises.push(result);
|
|
// Fihish loading when it's finished
|
|
result.done(jQuery.proxy(loadChildren, this));
|
|
}
|
|
}
|
|
/**
|
|
* The initAttributes function sets the attributes to their default
|
|
* values. The attributes are not overwritten, which means, that the
|
|
* default is only set, if either a setter exists or this[propName] does
|
|
* not exist yet.
|
|
*
|
|
* Overwritten here to compile legacy JS code in attributes of type "js"
|
|
*
|
|
* @param {object} _attrs
|
|
*/
|
|
initAttributes(_attrs) {
|
|
for (var key in _attrs) {
|
|
if (typeof this.attributes[key] != "undefined" && !this.attributes[key].ignore && !(_attrs[key] == undefined)) {
|
|
var val = _attrs[key];
|
|
// compile string values of attribute type "js" to functions
|
|
if (this.attributes[key].type == 'js' && typeof _attrs[key] == 'string') {
|
|
val = et2_compileLegacyJS(val, this, this.implements(et2_IInputNode) ? this.getInputNode() :
|
|
(this.implements(et2_IDOMNode) ? this.getDOMNode() : null));
|
|
}
|
|
this.setAttribute(key, val, false);
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Does specific post-processing after the widget is loaded. Most widgets should not
|
|
* need to do anything here, it should all be done before.
|
|
*
|
|
* @return {boolean|Promise} True if the widget is fully loaded, false to avoid procesing children,
|
|
* or a Promise if loading is not actually finished (eg. waiting for AJAX)
|
|
*
|
|
* @see {@link http://api.jquery.com/deferred.promise/|jQuery Promise}
|
|
*/
|
|
doLoadingFinished() {
|
|
return true;
|
|
}
|
|
/**
|
|
* The egw function returns the instance of the client side api belonging
|
|
* to this widget tree. The api instance can be set in the "container"
|
|
* widget using the setApiInstance function.
|
|
*/
|
|
egw() {
|
|
// The _egw property is not set
|
|
if (typeof this._egw === 'undefined') {
|
|
if (this._parent != null) {
|
|
return this._parent.egw();
|
|
}
|
|
// Get the window this object belongs to
|
|
var wnd = null;
|
|
if (this.implements(et2_IDOMNode)) {
|
|
var node = this.getDOMNode();
|
|
if (node && node.ownerDocument) {
|
|
wnd = node.ownerDocument.parentNode || node.ownerDocument.defaultView;
|
|
}
|
|
}
|
|
// If we're the root object, return the phpgwapi API instance
|
|
return egw('phpgwapi', wnd);
|
|
}
|
|
return this._egw;
|
|
}
|
|
/**
|
|
* Sets the client side api instance. It can be retrieved by the widget tree
|
|
* by using the "egw()" function.
|
|
*
|
|
* @param {IegwAppLocal} _egw egw object to set
|
|
*/
|
|
setApiInstance(_egw) {
|
|
this._egw = _egw;
|
|
}
|
|
/**
|
|
* Sets all array manager objects - this function can be used to set the
|
|
* root array managers of the container object.
|
|
*
|
|
* @param {object} _mgrs
|
|
*/
|
|
setArrayMgrs(_mgrs) {
|
|
this._mgrs = et2_cloneObject(_mgrs);
|
|
}
|
|
/**
|
|
* Returns an associative array containing the top-most array managers.
|
|
*
|
|
* @param _mgrs is used internally and should not be supplied.
|
|
*/
|
|
getArrayMgrs(_mgrs) {
|
|
if (typeof _mgrs == "undefined") {
|
|
_mgrs = {};
|
|
}
|
|
// Add all managers of this object to the result, if they have not already
|
|
// been set in the result
|
|
for (var key in this._mgrs) {
|
|
if (typeof _mgrs[key] == "undefined") {
|
|
_mgrs[key] = this._mgrs[key];
|
|
}
|
|
}
|
|
// Recursively applies this function to the parent widget
|
|
if (this._parent) {
|
|
this._parent.getArrayMgrs(_mgrs);
|
|
}
|
|
return _mgrs;
|
|
}
|
|
/**
|
|
* Sets the array manager for the given part
|
|
*
|
|
* @param {string} _part which array mgr to set
|
|
* @param {object} _mgr
|
|
*/
|
|
setArrayMgr(_part, _mgr) {
|
|
this._mgrs[_part] = _mgr;
|
|
}
|
|
/**
|
|
* Returns the array manager object for the given part
|
|
*
|
|
* @param {string} managed_array_type name of array mgr to return
|
|
*/
|
|
getArrayMgr(managed_array_type) {
|
|
if (this._mgrs && typeof this._mgrs[managed_array_type] != "undefined") {
|
|
return this._mgrs[managed_array_type];
|
|
}
|
|
else if (this._parent) {
|
|
return this._parent.getArrayMgr(managed_array_type);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Checks whether a namespace exists for this element in the content array.
|
|
* If yes, an own perspective of the content array is created. If not, the
|
|
* parent content manager is used.
|
|
*
|
|
* Constructor attributes are passed in case a child needs to make decisions
|
|
*/
|
|
checkCreateNamespace(_attrs) {
|
|
// Get the content manager
|
|
var mgrs = this.getArrayMgrs();
|
|
for (var key in mgrs) {
|
|
var mgr = mgrs[key];
|
|
// Get the original content manager if we have already created a
|
|
// perspective for this node
|
|
if (typeof this._mgrs[key] != "undefined" && mgr.perspectiveData.owner == this) {
|
|
mgr = mgr.parentMgr;
|
|
}
|
|
// Check whether the manager has a namespace for the id of this object
|
|
var entry = mgr.getEntry(this.id);
|
|
if (typeof entry === 'object' && entry !== null || this.id) {
|
|
// The content manager has an own node for this object, so
|
|
// create an own perspective.
|
|
this._mgrs[key] = mgr.openPerspective(this, this.id);
|
|
}
|
|
else {
|
|
// The current content manager does not have an own namespace for
|
|
// this element, so use the content manager of the parent.
|
|
delete (this._mgrs[key]);
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Widgets that do support a namespace should override and return true.
|
|
*
|
|
* Since a private attribute doesn't get instanciated properly before it's needed,
|
|
* we use a method so we can get what we need while still in the constructor.
|
|
*
|
|
* @private
|
|
*/
|
|
_createNamespace() {
|
|
return false;
|
|
}
|
|
/**
|
|
* Sets the instance manager object (of type etemplate2, see etemplate2.js)
|
|
*
|
|
* @param {etemplate2} _inst
|
|
*/
|
|
setInstanceManager(_inst) {
|
|
this._inst = _inst;
|
|
}
|
|
/**
|
|
* Returns the instance manager
|
|
*
|
|
* @return {etemplate2}
|
|
*/
|
|
getInstanceManager() {
|
|
if (this._inst != null) {
|
|
return this._inst;
|
|
}
|
|
else if (this._parent) {
|
|
return this._parent.getInstanceManager();
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns the path into the data array. By default, array manager takes care of
|
|
* this, but some extensions need to override this
|
|
*/
|
|
getPath() {
|
|
var path = this.getArrayMgr("content").getPath();
|
|
// Prevent namespaced widgets with value from going an extra layer deep
|
|
if (this.id && this._createNamespace() && path[path.length - 1] == this.id)
|
|
path.pop();
|
|
return path;
|
|
}
|
|
}
|
|
et2_widget._attributes = {
|
|
"id": {
|
|
"name": "ID",
|
|
"type": "string",
|
|
"description": "Unique identifier of the widget"
|
|
},
|
|
"no_lang": {
|
|
"name": "No translation",
|
|
"type": "boolean",
|
|
"default": false,
|
|
"description": "If true, no translations are made for this widget"
|
|
},
|
|
/**
|
|
* Ignore the "span" property by default - it is read by the grid and
|
|
* other widgets.
|
|
*/
|
|
"span": {
|
|
"ignore": true
|
|
},
|
|
/**
|
|
* Ignore the "type" tag - it is read by the "createElementFromNode"
|
|
* function and passed as second parameter of the widget constructor
|
|
*/
|
|
"type": {
|
|
"name": "Widget type",
|
|
"type": "string",
|
|
"ignore": true,
|
|
"description": "What kind of widget this is"
|
|
},
|
|
/**
|
|
* Ignore the readonly tag by default - its also read by the
|
|
* "createElementFromNode" function.
|
|
*/
|
|
"readonly": {
|
|
"ignore": true
|
|
},
|
|
/**
|
|
* Widget's attributes
|
|
*/
|
|
attributes: {
|
|
"name": "Widget attributes",
|
|
"type": "any",
|
|
"ignore": true,
|
|
"description": "Object of widget attributes"
|
|
}
|
|
};
|
|
// Set the legacyOptions array to the names of the properties the "options"
|
|
// attribute defines.
|
|
et2_widget.legacyOptions = [];
|
|
//# sourceMappingURL=et2_core_widget.js.map
|