egroupware/api/js/etemplate/et2_core_baseWidget.ts
nathan 6120d820aa Change to Et2Dialog
- History diff
- Fix some bugs in placeholder widget
- Change load listener target, the dialog content node might have been moved out before the event gets triggered
2022-03-30 15:11:15 -06:00

558 lines
13 KiB
TypeScript

/**
* EGroupware eTemplate2 - JS Widget base class
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link https://www.egroupware.org
* @author Andreas Stöckel
*/
/*egw:uses
/vendor/bower-asset/jquery/dist/jquery.js;
lib/tooltip;
et2_core_DOMWidget;
*/
import {et2_IAligned, et2_IDetachedDOM} from "./et2_core_interfaces";
import {et2_DOMWidget} from './et2_core_DOMWidget';
import {ClassWithAttributes} from "./et2_core_inheritance";
import {et2_register_widget, et2_widget, WidgetConfig} from "./et2_core_widget";
import {et2_no_init} from "./et2_core_common";
// fixing circular dependencies by only importing type
import type {et2_inputWidget} from "./et2_core_inputWidget";
import {egwIsMobile} from "../egw_action/egw_action_common.js";
/**
* Class which manages the DOM node itself. The simpleWidget class is derrived
* from et2_DOMWidget and implements the getDOMNode function. A setDOMNode
* function is provided, which attatches the given node to the DOM if possible.
*
* @augments et2_DOMWidget
*/
export class et2_baseWidget extends et2_DOMWidget implements et2_IAligned
{
static readonly _attributes: any = {
"statustext": {
"name": "Tooltip",
"type": "string",
"description": "Tooltip which is shown for this element",
"translate": true
},
"statustext_html": {
"name": "Tooltip is html",
"type": "boolean",
"description": "Flag to allow html content in tooltip",
"default": false
},
"align": {
"name": "Align",
"type": "string",
"default": "left",
"description": "Position of this element in the parent hbox"
},
"onclick": {
"name": "onclick",
"type": "js",
"default": et2_no_init,
"description": "JS code which is executed when the element is clicked."
}
};
align: string = 'left';
node: HTMLElement = null;
statustext: string = '';
private _messageDiv: JQuery = null;
protected _tooltipElem: JQuery = null;
onclick: any;
/**
* Constructor
*/
constructor(_parent, _attrs? : WidgetConfig, _child? : object)
{
// Call the inherited constructor
super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_baseWidget._attributes, _child || {}));
}
destroy()
{
super.destroy();
this.node = null;
this._messageDiv = null;
}
/**
* The setMessage function can be used to attach a small message box to the
* widget. This is e.g. used to display validation errors or success messages
*
* @param _text is the text which should be displayed as a message
* @param _type is an css class which is attached to the message box.
* Currently available are "hint", "success" and "validation_error", defaults
* to "hint"
* @param _floating if true, the object will be in one row with the element,
* defaults to true
* @param _prepend if set, the message is displayed behind the widget node
* instead of before. Defaults to false.
*/
showMessage(_text, _type?, _floating?, _prepend?)
{
// Preset the parameters
if (typeof _type == "undefined")
{
_type = "hint";
}
if (typeof _floating == "undefined")
{
_floating = true;
}
if (typeof _prepend == "undefined")
{
_prepend = false;
}
var surr = this.getSurroundings();
// Remove the message div from the surroundings before creating a new
// one
this.hideMessage(false, true);
// Create the message div and add it to the "surroundings" manager
this._messageDiv = jQuery(document.createElement("div"))
.addClass("message")
.addClass(_type)
.addClass(_floating ? "floating" : "")
.text(_text.valueOf() + "");
// Decide whether to prepend or append the div
if (_prepend)
{
surr.prependDOMNode(this._messageDiv[0]);
}
else
{
surr.appendDOMNode(this._messageDiv[0]);
}
surr.update();
}
/**
* The hideMessage function can be used to hide a previously shown message.
*
* @param _fade if true, the message div will fade out, otherwise the message
* div is removed immediately. Defaults to true.
* @param _noUpdate is used internally to prevent an update of the surroundings
* manager.
*/
hideMessage(_fade? : boolean, _noUpdate? : boolean)
{
if (typeof _fade == "undefined")
{
_fade = true;
}
if (typeof _noUpdate == "undefined")
{
_noUpdate = false;
}
// Remove the message from the surroundings manager and remove the
// reference to it
if (this._messageDiv != null)
{
var surr = this.getSurroundings();
var self = this;
var messageDiv = this._messageDiv;
self._messageDiv = null;
var _done = function() {
surr.removeDOMNode(messageDiv[0]);
// Update the surroundings manager
if (!_noUpdate)
{
surr.update();
}
};
// Either fade out or directly call the function which removes the div
if (_fade)
{
messageDiv.fadeOut("fast", _done);
}
else
{
_done();
}
}
}
detachFromDOM()
{
// Detach this node from the tooltip node
if (this._tooltipElem)
{
this.egw().tooltipUnbind(this._tooltipElem);
this._tooltipElem = null;
}
// Remove the binding to the click handler
if (this.node)
{
jQuery(this.node).unbind("click.et2_baseWidget");
}
return super.detachFromDOM();
}
attachToDOM()
{
let ret = super.attachToDOM();
// Add the binding for the click handler
if (this.node)
{
jQuery(this.node).bind("click.et2_baseWidget", this, function(e) {
return e.data.click.call(e.data, e, this);
});
if (typeof this.onclick == 'function') jQuery(this.node).addClass('et2_clickable');
}
// Update the statustext
this.set_statustext(this.statustext);
return ret;
}
setDOMNode(_node)
{
if (_node != this.node)
{
// Deatch the old node from the DOM
this.detachFromDOM();
// Set the new DOM-Node
this.node = _node;
// Attatch the DOM-Node to the tree
return this.attachToDOM();
}
return false;
}
getDOMNode(_sender?: et2_widget)
{
return this.node;
}
getTooltipElement()
{
return this.getDOMNode(this);
}
/**
* Click handler calling custom handler set via onclick attribute to this.onclick
*
* @param _ev
* @returns
*/
click(_ev)
{
if(typeof this.onclick == 'function')
{
// Make sure function gets a reference to the widget, splice it in as 2. argument if not
var args = Array.prototype.slice.call(arguments);
if(args.indexOf(this) == -1) args.splice(1, 0, this);
return this.onclick.apply(this, args);
}
return true;
}
set_statustext(_value)
{
// Tooltip should not be shown in mobile view
if (egwIsMobile()) return;
// Don't execute the code below, if no tooltip will be attached/detached
if (_value == "" && !this._tooltipElem)
{
return;
}
this.statustext = _value;
//Get the domnode the tooltip should be attached to
var elem = jQuery(this.getTooltipElement());
if (elem)
{
// Make readable by screenreader
elem.attr("aria-description",this.statustext);
//If a tooltip is already attached to the element, remove it first
if (this._tooltipElem)
{
this.egw().tooltipUnbind(this._tooltipElem);
this._tooltipElem = null;
}
if (_value && _value != '')
{
this.egw().tooltipBind(elem, _value, this.options.statustext_html);
this._tooltipElem = elem;
}
}
}
set_align(_value)
{
this.align = _value;
}
get_align()
{
return this.align;
}
}
/**
* Simple container object
*
* There is no tag to put this in a template. By convention we only make one of these per etemplate,
* and it's the top level object.
*/
export class et2_container extends et2_baseWidget
{
/**
* Constructor
*/
constructor(_parent, _attrs? : WidgetConfig, _child? : object)
{
// Call the inherited constructor
super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_container._attributes, _child || {}));
this.setDOMNode(document.createElement("div"));
}
/**
* The destroy function destroys all children of the widget, removes itself
* from the parents children list.
* Overriden to not try to remove self from parent, as that's not possible.
*/
destroy()
{
// Call the destructor of all children
for (var i = this._children.length - 1; i >= 0; i--)
{
this._children[i].destroy();
}
// Free the array managers if they belong to this widget
for (var key in this._mgrs)
{
if (this._mgrs[key] && this._mgrs[key].owner == this)
{
this._mgrs[key].destroy();
}
}
}
/**
* Searches for a DOM widget by id in the tree, descending into the child levels.
*
* @param _id is the id you're searching for
*/
getDOMWidgetById(_id) : et2_DOMWidget | null
{
let widget = this.getWidgetById(_id);
if(widget && (widget instanceof HTMLElement || widget.instanceOf(et2_DOMWidget)))
{
return <et2_DOMWidget>widget;
}
return null
}
/**
* Searches for a Value widget by id in the tree, descending into the child levels.
*
* @param _id is the id you're searching for
*/
getInputWidgetById(_id) : et2_inputWidget | null
{
let widget = <any>this.getWidgetById(_id);
// instead of checking widget to be instance of valueWidget (which would create a circular dependency)
// we check for the interface/methods of valueWidget
if(widget && typeof widget.get_value === 'function' && typeof widget.set_value === 'function')
{
return <et2_inputWidget>widget;
}
return null
}
/**
* Set the value for a child widget, specified by the given ID
*
* @param id string The ID you're searching for
* @param value Value for the widget
*
* @return Returns the result of widget's set_value(), though this is usually undefined
*
* @throws Error If the widget cannot be found or it does not have a set_value() function
*/
setValueById(id: string, value): any
{
let widget = this.getWidgetById(id);
if(!widget) throw 'Could not find widget ' + id;
// Don't care about what class it is, just that it has the function
// @ts-ignore
if(typeof widget.set_value !== 'function')
{
throw 'Widget ' + id + ' does not have a set_value() function';
}
// @ts-ignore
return widget.set_value(value);
}
/**
* Get the current value of a child widget, specified by the given ID
*
* This is the current value of the widget, which may be different from the original value given in content
*
* @param id string The ID you're searching for
* @throws Error If the widget cannot be found or it does not have a set_value() function
*/
getValueById(id: string)
{
let widget = this.getWidgetById(id);
if(!widget) throw 'Could not find widget ' + id;
// Don't care about what class it is, just that it has the function
// @ts-ignore
if(typeof widget.get_value !== 'function')
{
throw 'Widget ' + id + ' does not have a get_value() function';
}
// @ts-ignore
return widget.get_value();
}
/**
* Set the value for a child widget, specified by the given ID
*
* @param id string The ID you're searching for
* @throws Error If the widget cannot be found or it does not have a set_value() function
*/
setDisabledById(id: string, value : boolean)
{
let widget = this.getWidgetById(id);
if(!widget) throw 'Could not find widget ' + id;
// Don't care about what class it is, just that it has the function
// @ts-ignore
if(typeof widget.set_disabled !== 'function')
{
throw 'Widget ' + id + ' does not have a set_disabled() function';
}
// @ts-ignore
return widget.set_disabled(value);
}
}
// Register widget for attributes, but not for any xml tags
et2_register_widget(et2_container, []);
/**
* Container object for not-yet supported widgets
*
* @augments et2_baseWidget
*/
export class et2_placeholder extends et2_baseWidget implements et2_IDetachedDOM
{
/**
* he attrNodes object will hold the DOM nodes which represent the
* values of this object
*/
attrNodes: {};
visible: boolean = false;
placeDiv: JQuery;
/**
* Constructor
*/
constructor(_parent, _attrs? : WidgetConfig, _child? : object)
{
// Call the inherited constructor
super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_placeholder._attributes, _child || {}));
this.attrNodes = {};
// Create the placeholder div
this.placeDiv = jQuery(document.createElement("span"))
.addClass("et2_placeholder");
var headerNode = jQuery(document.createElement("span"))
.text(this.getType() || "")
.addClass("et2_caption")
.appendTo(this.placeDiv);
var attrsCntr = jQuery(document.createElement("span"))
.appendTo(this.placeDiv)
.hide();
headerNode.click(this, function(e) {
e.data.visible = !e.data.visible;
if (e.data.visible)
{
attrsCntr.show();
}
else
{
attrsCntr.hide();
}
});
for (var key in this.options)
{
if (typeof this.options[key] != "undefined")
{
if (typeof this.attrNodes[key] == "undefined")
{
this.attrNodes[key] = jQuery(document.createElement("span"))
.addClass("et2_attr");
attrsCntr.append(this.attrNodes[key]);
}
this.attrNodes[key].text(key + "=" + this.options[key]);
}
}
this.setDOMNode(this.placeDiv[0]);
}
getDetachedAttributes(_attrs)
{
_attrs.push("value");
}
getDetachedNodes()
{
return [this.placeDiv[0]];
}
setDetachedAttributes(_nodes, _values)
{
this.placeDiv = jQuery(_nodes[0]);
}
}
// Register widget, but no tags
et2_register_widget(et2_placeholder, ['placeholder', 'placeholder_ro']);