forked from extern/egroupware
188 lines
3.6 KiB
TypeScript
188 lines
3.6 KiB
TypeScript
/**
|
|
* EGroupware eTemplate2 - Image widget
|
|
*
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @package etemplate
|
|
* @subpackage api
|
|
* @link https://www.egroupware.org
|
|
* @author Nathan Gray
|
|
*/
|
|
|
|
|
|
import {css, html, LitElement} from "@lion/core";
|
|
import {Et2Widget} from "../Et2Widget/Et2Widget";
|
|
import {et2_IDetachedDOM} from "../et2_core_interfaces";
|
|
|
|
export class Et2Image extends Et2Widget(LitElement) implements et2_IDetachedDOM
|
|
{
|
|
static get styles()
|
|
{
|
|
return [
|
|
...super.styles,
|
|
css`
|
|
:host {
|
|
display: inline-block;
|
|
}
|
|
img {
|
|
height: 100%;
|
|
width: 100%;
|
|
}
|
|
`,
|
|
];
|
|
}
|
|
|
|
static get properties()
|
|
{
|
|
return {
|
|
|
|
/**
|
|
* Image
|
|
* Displayed image
|
|
*/
|
|
src: {type: String},
|
|
|
|
/**
|
|
* Default image
|
|
* Image to use if src is not found
|
|
*/
|
|
default_src: {type: String},
|
|
|
|
/**
|
|
* Link Target
|
|
* Link URL, empty if you don't wan't to display a link.
|
|
*/
|
|
href: {type: String},
|
|
|
|
/**
|
|
* Link target
|
|
* Link target descriptor
|
|
*/
|
|
extra_link_target: {type: String},
|
|
|
|
/**
|
|
* Popup
|
|
* widthxheight, if popup should be used, eg. 640x480
|
|
*/
|
|
extra_link_popup: {type: String},
|
|
|
|
/**
|
|
* Expose view
|
|
* Clicking on an image with href value would popup an expose view, and will show image referenced by href.
|
|
*/
|
|
expose_view: {type: Boolean},
|
|
}
|
|
}
|
|
|
|
constructor()
|
|
{
|
|
super();
|
|
this.src = "";
|
|
this.default_src = egw?.image("help");
|
|
this.href = "";
|
|
this.extra_link_target = "_self";
|
|
this.extra_link_popup = "";
|
|
this.expose_view = false;
|
|
}
|
|
|
|
connectedCallback()
|
|
{
|
|
super.connectedCallback();
|
|
this._handleClick = this._handleClick.bind(this);
|
|
}
|
|
|
|
render()
|
|
{
|
|
return html`
|
|
<img ${this.id ? html`id="${this.id}"` : ''}
|
|
src="${this.src || this.default_src}"
|
|
alt="${this.label}"
|
|
title="${this.statustext || this.label}"
|
|
>`;
|
|
}
|
|
|
|
/**
|
|
* Set image src
|
|
*
|
|
* @param {string} _value image, app/image or url
|
|
*/
|
|
set src(_value : string)
|
|
{
|
|
this.__src = _value;
|
|
|
|
// allow url's too
|
|
if(_value[0] == '/' || _value.substr(0, 4) == 'http' || _value.substr(0, 5) == 'data:')
|
|
{
|
|
this.setAttribute('src', _value);
|
|
return;
|
|
}
|
|
let src = this.egw().image(_value);
|
|
if(src)
|
|
{
|
|
this.setAttribute('src', src);
|
|
}
|
|
}
|
|
|
|
get src()
|
|
{
|
|
return this.__src;
|
|
}
|
|
|
|
_handleClick(_ev : MouseEvent) : boolean
|
|
{
|
|
if(this.href)
|
|
{
|
|
this.egw().open_link(this.href, this.extra_link_target, this.extra_link_popup);
|
|
}
|
|
else
|
|
{
|
|
return super._handleClick(_ev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle changes that have to happen based on changes to properties
|
|
*
|
|
*/
|
|
requestUpdate(name : PropertyKey, oldValue)
|
|
{
|
|
super.requestUpdate(name, oldValue);
|
|
|
|
// if there's an href, make it look clickable
|
|
if(name == 'href')
|
|
{
|
|
this.classList.toggle("et2_clickable", this.href)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Code for implementing et2_IDetachedDOM
|
|
*
|
|
* Individual widgets are detected and handled by the grid, but the interface is needed for this to happen
|
|
*
|
|
* @param {array} _attrs array to add further attributes to
|
|
*/
|
|
getDetachedAttributes(_attrs)
|
|
{
|
|
_attrs.push('data');
|
|
}
|
|
|
|
getDetachedNodes()
|
|
{
|
|
return [this.getDOMNode()];
|
|
}
|
|
|
|
setDetachedAttributes(_nodes, _values)
|
|
{
|
|
if(_values.data)
|
|
{
|
|
var pairs = _values.data.split(/,/g);
|
|
for(var i = 0; i < pairs.length; ++i)
|
|
{
|
|
var name_value = pairs[i].split(':');
|
|
jQuery(_nodes[0]).attr('data-' + name_value[0], name_value[1]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
customElements.define("et2-image", Et2Image as any, {extends: 'img'}); |