egroupware_official/api/js/etemplate/Layout/Et2Tabs/Et2Tabs.ts
ralf c3673b1126 ported timestamper to a web-component
also implemented legacy methods activateTab() and setActiveTab() for new tabs widget
2022-08-03 15:48:35 +02:00

443 lines
10 KiB
TypeScript

/**
* EGroupware eTemplate2 - Box 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 {SlTab, SlTabGroup, SlTabPanel} from "@shoelace-style/shoelace";
import {Et2Widget, loadWebComponent} from "../../Et2Widget/Et2Widget";
import {et2_directChildrenByTagName, et2_filteredNodeIterator, et2_readAttrWithDefault} from "../../et2_core_xml";
import {css, PropertyValues} from "@lion/core";
import shoelace from "../../Styles/shoelace";
import {et2_createWidget} from "../../et2_core_widget";
export class Et2Tabs extends Et2Widget(SlTabGroup)
{
static get styles()
{
return [
...super.styles,
...shoelace,
css`
.tab-group--top {
height: 100%;
min-height: fit-content;
}
.tab-group__body {
flex: 1 1 auto;
overflow: hidden auto;
}
.tab-group__body-fixed-height {
flex: 0 0 auto;
}
::slotted([hidden]) {
display: none;
}
::slotted(et2-tab-panel) {
flex: 1 1 auto;
}
`
];
}
static get properties()
{
return {
...super.properties,
/**
* Array of [extra] tabs.
* Each tab needs {label:..., template:...}.
* Additional optional keys are prepend, hidden and id, for access into content array
*/
extraTabs: {type: Object},
/**
* Add tabs to template
* Set to true if tabs specified in tabs property should be added to tabs read from template,
* default false if not which replaces what's in template
*/
addTabs: {type: Boolean},
/**
* Set the height for tabs
* Leave unset to size automatically
*/
tabHeight: {type: String},
/**
* @deprecated use "placement" instead
* @see https://shoelace.style/components/tab-group
*/
alignTabs: {type: String}
}
}
/**
* Index of currently selected tab
* @type {number}
* @private
*/
protected _selectedIndex = -1;
protected tabData = [];
protected lazyLoaded = false;
constructor()
{
super();
this.extraTabs = [];
this.addTabs = false;
}
loadFromXML(_node)
{
// Get the tabs and tabpanels tags
const tabsElems = et2_directChildrenByTagName(_node, "tabs");
const tabpanelsElems = et2_directChildrenByTagName(_node, "tabpanels");
const tabData = [];
// Check for a parent height, we'll apply it to tab panels
var height = et2_readAttrWithDefault(_node.parentNode, "height", null);
if(height)
{
this.tabContainer.css("height", height);
}
// if no tabs set or they should be added to tabs from xml
if(!this.extraTabs || this.extraTabs.length == 0 || this.addTabs)
{
if(tabsElems.length == 1 && tabpanelsElems.length == 1)
{
var tabs = tabsElems[0];
var tabpanels = tabpanelsElems[0];
// Parse the "tabs" tag
this._readTabs(tabData, tabs);
// Read and create the widgets defined in the "tabpanels"
this._readTabPanels(tabData, tabpanels);
}
else
{
this.egw().debug("error", "Error while parsing tabbox, none or multiple tabs or tabpanels tags!", this);
}
}
// Add in additional tabs
if(this.extraTabs)
{
let readonly = this.getArrayMgr("readonlys").getEntry(this.id) || {};
for(let i = 0; i < this.extraTabs.length; i++)
{
let tab = this.extraTabs[i];
let tab_id = tab.id || tab.template;
let tab_options = {id: tab_id, template: tab.template, url: tab.url, content: undefined};
if(tab.id)
{
tab_options.content = tab.id;
}
tabData[tab.prepend ? 'unshift' : 'push'].call(tabData, {
"id": tab_id,
"label": this.egw().lang(tab.label),
"widget": null,
"widget_options": tab_options,
"contentDiv": null,
"flagDiv": null,
"hidden": typeof tab.hidden != "undefined" ? tab.hidden : readonly[tab_id] || false,
"XMLNode": null,
"promise": null
});
}
}
// Create the tab DOM-Nodes
this.createTabs(tabData);
}
_readTabs(tabData, tabs)
{
let selected = "";
this._selectedIndex = -1;
let hidden = {};
if(this.id)
{
// Set the value for this element
let contentMgr = this.getArrayMgr("content");
if(contentMgr != null)
{
let val = contentMgr.getEntry(this.id);
if(val !== null)
{
selected = val;
}
}
contentMgr = this.getArrayMgr("readonlys");
if(contentMgr != null)
{
let val = contentMgr.getEntry(this.id);
if(val !== null && typeof val !== 'undefined')
{
hidden = val;
}
}
}
let i = 0;
et2_filteredNodeIterator(tabs, function(node, nodeName)
{
if(nodeName == "tab")
{
const index_name = et2_readAttrWithDefault(node, "id", '');
var hide = false;
var widget_options = {};
if(index_name)
{
if(selected == index_name)
{
this.selected_index = i;
}
if(hidden[index_name])
{
hide = true;
}
// Get the class attribute and add it as widget_options
const classAttr = et2_readAttrWithDefault(node, "class", '');
if(classAttr)
{
widget_options = {'class': classAttr};
}
}
tabData.push({
"id": index_name,
"label": this.egw().lang(et2_readAttrWithDefault(node, "label", "Tab")),
"widget": null,
"widget_options": widget_options,
"contentDiv": null,
"flagDiv": null,
"hidden": hide,
"XMLNode": null,
"promise": null
});
}
else
{
throw("Error while parsing: Invalid tag '" + nodeName +
"' in tabs tag");
}
i++;
}, this);
// Make sure we don't try to display a hidden tab
for(let i = 0; i < tabData.length && this._selectedIndex < 0; i++)
{
if(!tabData[i].hidden)
{
this._selectedIndex = i;
}
}
}
_readTabPanels(tabData, tabpanels)
{
var i = 0;
et2_filteredNodeIterator(tabpanels, function(node, nodeName)
{
if(i < tabData.length)
{
// Store node for later evaluation
tabData[i].XMLNode = node;
}
else
{
throw("Error while reading tabpanels tag, too many widgets!");
}
i++;
}, this);
}
protected update(changedProperties : PropertyValues)
{
super.update(changedProperties);
if(changedProperties.has("tabHeight"))
{
const body = this.shadowRoot.querySelector(".tab-group__body");
body.style.setProperty("height", this.tabHeight == parseInt(this.tabHeight) + "" ? this.tabHeight + "px" : this.tabHeight);
body.classList.toggle("tab-group__body-fixed-height", this.tabHeight !== '');
}
}
/**
* Create the nodes for tabs
*
* @param tabData
* @protected
*/
protected createTabs(tabData)
{
this.tabData = tabData;
tabData.forEach((tab, index) =>
{
// Tab - SlTabGroup looks for sl-tab, so we can't use our own without overriding a lot
tab.flagDiv = loadWebComponent("et2-tab", {
slot: "nav",
panel: tab.id,
active: index == this._selectedIndex,
hidden: tab.hidden
}, this);
// Set tab label
tab.flagDiv.appendChild(document.createTextNode(tab.label));
});
tabData.forEach((tab, index) =>
{
this.createPanel(tab);
});
}
protected createPanel(tab, active = false)
{
// Tab panel
tab.contentDiv = loadWebComponent('et2-tab-panel', {
id: tab.id,
name: tab.id,
active: active,
hidden: tab.hidden
}, this);
// Tab content
if(tab.XMLNode)
{
// Just read the XMLNode
let tabContent = tab.contentDiv.createElementFromNode(tab.XMLNode);
tab.contentDiv.appendChild(
typeof window.customElements.get(tab.XMLNode.nodeName) == "undefined" ?
tabContent.getDOMNode() : tabContent
);
}
else
{
et2_createWidget('template', tab.widget_options, tab.contentDiv);
}
return tab.contentDiv;
}
getAllTabs(includeDisabled = false)
{
const slot = <HTMLSlotElement>this.shadowRoot.querySelector('slot[name="nav"]');
const tabNames = ["sl-tab", "et2-tab"];
return <SlTab[]>[...slot.assignedElements()].filter((el) =>
{
return includeDisabled ? tabNames.indexOf(el.tagName.toLowerCase()) != -1 : tabNames.indexOf(el.tagName.toLowerCase()) !== -1 && !el.disabled;
});
}
getAllPanels()
{
const slot = this.body.querySelector('slot')!;
return [...slot.assignedElements()].filter(el => ['et2-tab-panel', 'sl-tab-panel'].indexOf(el.tagName.toLowerCase()) != -1) as [SlTabPanel];
}
handleClick(event : MouseEvent)
{
const target = event.target as HTMLElement;
const tab = target.closest('et2-tab');
const tabGroup = tab?.closest('sl-tab-group') || tab?.closest('et2-tabbox');
// Ensure the target tab is in this tab group
if(tabGroup !== this)
{
return;
}
if(tab !== null)
{
this.setActiveTab(tab, {scrollBehavior: 'smooth'});
}
}
/**
* Set up for printing
*
* @return {undefined|Deferred} Return a jQuery Deferred object if not done setting up
* (waiting for data)
*/
beforePrint()
{
// Remove the "active" flag from all tabs-flags
this.querySelector("[active]").removeAttribute("active");
// Remove height limit
this.style.height = '';
// Show all enabled tabs
for(let i = 0; i < this.tabData.length; i++)
{
let entry = this.tabData[i];
if(entry.hidden)
{
continue;
}
entry.flagDiv.insertBefore(entry.contentDiv);
entry.contentDiv.show();
}
}
/**
* Reset after printing
*/
afterPrint()
{
this.setActiveTab(this._selectedIndex);
}
/**
* Activate the tab containing the given widget
*
* @param {et2_widget} widget
* @return {bool} widget was found in a tab
*/
activateTab(widget)
{
let tab = widget;
while(tab._parent && tab._parent.nodeName !== 'ET2-TABBOX')
{
tab = tab._parent;
}
if (tab.nodeName === 'ET2-TAB-PANEL')
{
this.show(tab.name);
return true;
}
return false;
}
/**
* Reimplement to allow our existing function signatures too
*
* @deprecated use this.show(name : string)
* @param tab number or name of tab (Sl uses that internally with a SlTab!)
* @param options
*/
setActiveTab(tab: SlTab|String|Number, options?: {
emitEvents?: boolean;
scrollBehavior?: 'auto' | 'smooth';
})
{
if (typeof tab === 'number')
{
tab = this.getAllTabs()[tab];
return this.show(tab.panel);
}
if (typeof tab === 'string')
{
return this.show(tab);
}
return super.setActiveTab(<SlTab>tab, options);
}
}
customElements.define("et2-tabbox", Et2Tabs);