mirror of
https://github.com/EGroupware/egroupware.git
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777 lines
23 KiB
TypeScript
777 lines
23 KiB
TypeScript
import {et2_IDOMNode, et2_implements_registry} from "./et2_core_interfaces";
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import {et2_arrayMgr} from "./et2_core_arrayMgr";
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import {et2_attribute_registry, et2_registry, et2_widget} from "./et2_core_widget";
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import {etemplate2} from "./etemplate2";
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import {et2_compileLegacyJS} from "./et2_core_legacyJSFunctions";
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import {et2_cloneObject, et2_csvSplit} from "./et2_core_common";
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// @ts-ignore
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import {IegwAppLocal} from "../jsapi/egw_global";
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import {ClassWithAttributes, ClassWithInterfaces} from "./et2_core_inheritance";
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import {LitElement} from "@lion/core";
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/**
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* This mixin will allow any LitElement to become an Et2Widget
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*
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* Usage:
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* @example
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* export class Et2Loading extends Et2Widget(BXLoading) { ... }
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* @example
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* export class Et2Button extends Et2InputWidget(Et2Widget(BXButton)) { ... }
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*
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* @see Mixin explanation https://lit.dev/docs/composition/mixins/
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*/
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type Constructor<T = {}> = new (...args: any[]) => T;
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export const Et2Widget = <T extends Constructor<LitElement>>(superClass: T) =>
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{
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class Et2WidgetClass extends superClass implements et2_IDOMNode
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{
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/** et2_widget compatability **/
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protected _mgrs: et2_arrayMgr[] = [];
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protected _parent: Et2WidgetClass | et2_widget | null = null;
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private _inst: etemplate2 | null = null;
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private supportedWidgetClasses = [];
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/**
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* Not actually required by et2_widget, but needed to keep track of non-webComponent children
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*/
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private _legacy_children: et2_widget[] = [];
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/**
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* Properties
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*/
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private label: string = "";
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private statustext: string = "";
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/** WebComponent **/
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static get properties()
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{
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return {
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...super.properties,
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/**
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* Tooltip which is shown for this element on hover
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*/
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statustext: {type: String},
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label: {type: String},
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onclick: {
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type: Function,
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converter: (value) =>
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{
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debugger;
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return et2_compileLegacyJS(value, this, this);
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}
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}
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};
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}
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/**
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* Widget Mixin constructor
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*
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* Note the ...args parameter and super() call
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*
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* @param args
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*/
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constructor(...args: any[])
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{
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super(...args);
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}
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connectedCallback()
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{
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super.connectedCallback();
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this.set_label(this.label);
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if (this.statustext)
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{
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this.egw().tooltipBind(this, this.statustext);
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}
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}
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disconnectedCallback()
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{
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this.egw().tooltipUnbind(this);
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}
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/**
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* NOT the setter, since we cannot add to the DOM before connectedCallback()
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*
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* TODO: This is not best practice. Should just set property, DOM modification should be done in render
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* https://lit-element.polymer-project.org/guide/templates#design-a-performant-template
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*
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* @param value
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*/
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set_label(value)
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{
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let oldValue = this.label;
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// Remove old
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let oldLabels = this.getElementsByClassName("et2_label");
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while (oldLabels[0])
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{
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this.removeChild(oldLabels[0]);
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}
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this.label = value;
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if (value)
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{
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let label = document.createElement("span");
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label.classList.add("et2_label");
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label.textContent = this.label;
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// We should have a slot in the template for the label
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//label.slot="label";
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this.appendChild(label);
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this.requestUpdate('label', oldValue);
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}
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}
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/**
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* Event handlers
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*/
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/**
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* Click handler calling custom handler set via onclick attribute to this.onclick
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*
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* @param _ev
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* @returns
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*/
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_handleClick(_ev: MouseEvent): boolean
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{
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if (typeof this.onclick == 'function')
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{
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// Make sure function gets a reference to the widget, splice it in as 2. argument if not
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var args = Array.prototype.slice.call(arguments);
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if (args.indexOf(this) == -1) args.splice(1, 0, this);
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return this.onclick.apply(this, args);
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}
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return true;
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}
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/** et2_widget compatability **/
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destroy()
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{
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// Not really needed, use the disconnectedCallback() and let the browser handle it
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}
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isInTree(): boolean
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{
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// TODO: Probably should watch the state or something
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return true;
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}
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/**
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* Loads the widget tree from an XML node
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*
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* @param _node xml node
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*/
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loadFromXML(_node)
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{
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// Load the child nodes.
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for (var i = 0; i < _node.childNodes.length; i++)
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{
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var node = _node.childNodes[i];
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var widgetType = node.nodeName.toLowerCase();
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if (widgetType == "#comment")
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{
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continue;
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}
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if (widgetType == "#text")
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{
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if (node.data.replace(/^\s+|\s+$/g, ''))
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{
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this.innerText = node.data;
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}
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continue;
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}
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// Create the new element
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this.createElementFromNode(node);
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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
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*/
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createElementFromNode(_node, _name?)
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{
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var attributes = {};
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debugger;
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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 = attributes["type"] = _node.getAttribute("type") ?
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_node.getAttribute("type") : _node.nodeName.toLowerCase();
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var readonly = attributes["readonly"] = this.getArrayMgr("readonlys") ?
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(<any>this.getArrayMgr("readonlys")).isReadOnly(
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_node.getAttribute("id"), _node.getAttribute("readonly"),
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typeof this.readonly !== "undefined" ? this.readonly : false) : false;
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// Check to see if modifications change type
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var modifications = this.getArrayMgr("modifications");
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if (modifications && _node.getAttribute("id"))
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{
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let entry: any = modifications.getEntry(_node.getAttribute("id"));
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if (entry == null)
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{
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// Try again, but skip the fancy stuff
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// TODO: Figure out why the getEntry() call doesn't always work
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entry = modifications.data[_node.getAttribute("id")];
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if (entry)
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{
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this.egw().debug("warn", "getEntry(" + _node.getAttribute("id") + ") failed, but the data is there.", modifications, entry);
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}
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else
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{
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// Try the root, in case a namespace got missed
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entry = modifications.getRoot().getEntry(_node.getAttribute("id"));
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}
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}
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if (entry && entry.type && typeof entry.type === 'string')
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{
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_nodeName = attributes["type"] = entry.type;
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}
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entry = null;
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}
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// if _nodeName / type-attribute contains something to expand (eg. type="@${row}[type]"),
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// we need to expand it now as it defines the constructor and by that attributes parsed via parseXMLAttrs!
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if (_nodeName.charAt(0) == '@' || _nodeName.indexOf('$') >= 0)
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{
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_nodeName = attributes["type"] = this.getArrayMgr('content').expandName(_nodeName);
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}
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let widget = null;
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if (undefined == window.customElements.get(_nodeName))
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{
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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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var constructor = et2_registry[typeof et2_registry[_nodeName] == "undefined" ? 'placeholder' : _nodeName];
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if (readonly === true && typeof et2_registry[_nodeName + "_ro"] != "undefined")
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{
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constructor = et2_registry[_nodeName + "_ro"];
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}
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// Parse the attributes from the given XML attributes object
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this.parseXMLAttrs(_node.attributes, attributes, constructor.prototype);
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// Do an sanity check for the attributes
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ClassWithAttributes.generateAttributeSet(et2_attribute_registry[constructor.name], attributes);
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// Creates the new widget, passes this widget as an instance and
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// passes the widgetType. Then it goes on loading the XML for it.
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widget = new constructor(this, attributes);
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// Load the widget itself from XML
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widget.loadFromXML(_node);
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}
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else
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{
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widget = this.loadWebComponent(_nodeName, _node);
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if (this.addChild)
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{
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// webcomponent going into old et2_widget
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this.addChild(widget);
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}
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}
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return widget;
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}
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/**
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* Load a Web Component
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* @param _nodeName
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* @param _node
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*/
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loadWebComponent(_nodeName: string, _node): HTMLElement
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{
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let widget = <Et2WidgetClass>document.createElement(_nodeName);
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widget.textContent = _node.textContent;
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const widget_class = window.customElements.get(_nodeName);
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if (!widget_class)
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{
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throw Error("Unknown or unregistered WebComponent '" + _nodeName + "', could not find class");
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}
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widget.setParent(this);
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var mgr = widget.getArrayMgr("content");
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debugger;
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// Apply any set attributes - widget will do its own coercion
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_node.getAttributeNames().forEach(attribute =>
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{
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let attrValue = _node.getAttribute(attribute);
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// If there is not attribute set, ignore it. Widget sets its own default.
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if (typeof attrValue === "undefined") return;
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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 (widget_class.getPropertyOptions(attribute).type == "Boolean")
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{
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attrValue = mgr.parseBoolExpression(attrValue);
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}
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else
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{
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attrValue = mgr.expandName(attrValue);
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}
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widget.setAttribute(attribute, attrValue);
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});
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if (widget_class.getPropertyOptions("value") && widget.set_value)
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{
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if (mgr != null)
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{
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let val = mgr.getEntry(widget.id, false, true);
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if (val !== null)
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{
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widget.setAttribute("value", val);
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}
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}
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// Check for already inside namespace
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if (this._createNamespace() && this.getArrayMgr("content").perspectiveData.owner == this)
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{
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widget.setAttribute("value", this.getArrayMgr("content").data);
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}
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}
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// Children need to be loaded
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widget.loadFromXML(_node);
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return widget;
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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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{
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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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{
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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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{
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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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{
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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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{
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var mod: any = this.getArrayMgr("modifications").getEntry(_target.id);
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if (typeof mod.options != "undefined") 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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{
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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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{
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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) 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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{
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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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{
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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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{
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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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{
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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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{
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// do NOT overwrite already evaluated readonly attribute
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}
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else
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{
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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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{
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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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{
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attrValue = mgr.parseBoolExpression(attrValue);
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}
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else
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{
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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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iterateOver(_callback: Function, _context, _type)
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{
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if (et2_implements_registry[_type] && et2_implements_registry[_type](this))
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{
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_callback.call(_context, this);
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}
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// TODO: children
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}
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/**
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* Needed for legacy compatability.
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*
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* @param {Promise[]} promises List of promises from widgets that are not done. Pass an empty array, it will be filled if needed.
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*/
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loadingFinished(promises)
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{
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/**
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* This is needed mostly as a bridge between non-WebComponent widgets and
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* connectedCallback(). It's not really needed if the whole tree is WebComponent.
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* WebComponents can be added as children immediately after creation, and they handle the
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* rest themselves with their normal lifecycle (especially connectedCallback(), which is kind
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* of the equivalent of doLoadingFinished()
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*/
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if (this.getParent() instanceof et2_widget)
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{
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this.getParent().getDOMNode(this).append(this);
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}
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for (let i = 0; i < this._legacy_children.length; i++)
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{
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let child = this._legacy_children[i];
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let child_node = typeof child.getDOMNode !== "undefined" ? child.getDOMNode(child) : null;
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if (child_node && child_node !== this)
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{
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this.append(child_node);
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}
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child.loadingFinished(promises);
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}
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}
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getWidgetById(_id)
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{
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if (this.id == _id)
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{
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return this;
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}
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}
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setParent(new_parent: Et2WidgetClass | et2_widget)
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{
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this._parent = new_parent;
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if (this.id)
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{
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// Create a namespace for this object
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if (this._createNamespace())
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{
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this.checkCreateNamespace();
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}
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}
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}
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getParent(): HTMLElement | et2_widget
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{
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let parentNode = this.parentNode;
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// If parent is an old et2_widget, use it
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if (this._parent)
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{
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return this._parent;
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}
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return <HTMLElement>parentNode;
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}
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addChild(child: et2_widget | Et2WidgetClass)
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{
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if (child instanceof et2_widget)
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{
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child._parent = this;
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// During legacy widget creation, the child's DOM node won't be available yet.
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this._legacy_children.push(child);
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let child_node = typeof child.getDOMNode !== "undefined" ? child.getDOMNode(child) : null;
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if (child_node && child_node !== this)
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{
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|
this.append(child_node);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
this.append(child);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get [legacy] children
|
|
* Use <obj>.children to get web component children
|
|
* @returns {et2_widget[]}
|
|
*/
|
|
getChildren()
|
|
{
|
|
return this._legacy_children;
|
|
}
|
|
|
|
getType(): string
|
|
{
|
|
return this.nodeName;
|
|
}
|
|
|
|
getDOMNode(): HTMLElement
|
|
{
|
|
return this;
|
|
}
|
|
|
|
/**
|
|
* Sets the array manager for the given part
|
|
*
|
|
* @param {string} _part which array mgr to set
|
|
* @param {object} _mgr
|
|
*/
|
|
setArrayMgr(_part: string, _mgr: et2_arrayMgr)
|
|
{
|
|
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: string): et2_arrayMgr | null
|
|
{
|
|
if (this._mgrs && typeof this._mgrs[managed_array_type] != "undefined")
|
|
{
|
|
return this._mgrs[managed_array_type];
|
|
}
|
|
else if (this.getParent())
|
|
{
|
|
return this.getParent().getArrayMgr(managed_array_type);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* 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_arrayMgr[]>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?: object)
|
|
{
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* 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()
|
|
{
|
|
// 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]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the instance manager
|
|
*
|
|
* @return {etemplate2}
|
|
*/
|
|
getInstanceManager()
|
|
{
|
|
if (this._inst != null)
|
|
{
|
|
return this._inst;
|
|
}
|
|
else if (this.getParent())
|
|
{
|
|
return this.getParent().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;
|
|
}
|
|
|
|
_createNamespace(): boolean
|
|
{
|
|
return false;
|
|
}
|
|
|
|
egw(): IegwAppLocal
|
|
{
|
|
if (this.getParent() != null && !(this.getParent() instanceof HTMLElement))
|
|
{
|
|
return (<et2_widget>this.getParent()).egw();
|
|
}
|
|
|
|
// Get the window this object belongs to
|
|
var wnd = null;
|
|
// @ts-ignore Technically this doesn't have implements(), but it's mixed in
|
|
if (this.implements(et2_IDOMNode))
|
|
{
|
|
var node = (<et2_IDOMNode><unknown>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);
|
|
}
|
|
};
|
|
|
|
function applyMixins(derivedCtor: any, baseCtors: any[])
|
|
{
|
|
baseCtors.forEach(baseCtor =>
|
|
{
|
|
Object.getOwnPropertyNames(baseCtor.prototype).forEach(name =>
|
|
{
|
|
if (name !== 'constructor')
|
|
{
|
|
derivedCtor.prototype[name] = baseCtor.prototype[name];
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
// Add some more stuff in
|
|
applyMixins(Et2WidgetClass, [ClassWithInterfaces]);
|
|
|
|
return Et2WidgetClass as unknown as Constructor<et2_IDOMNode> & T;
|
|
} |