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import { SlTreeItem } from "@shoelace-style/shoelace" ;
import { egw } from "../../jsapi/egw_global" ;
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import { find_select_options , SelectOption } from "../Et2Select/FindSelectOptions" ;
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import { Et2WidgetWithSelectMixin } from "../Et2Select/Et2WidgetWithSelectMixin" ;
import { css , html , LitElement , nothing , PropertyValues , TemplateResult } from "lit" ;
import { repeat } from "lit/directives/repeat.js" ;
import shoelace from "../Styles/shoelace" ;
import { property } from "lit/decorators/property.js" ;
import { state } from "lit/decorators/state.js" ;
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import { egw_getActionManager , egw_getAppObjectManager } from "../../egw_action/egw_action" ;
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import { et2_action_object_impl } from "../et2_core_DOMWidget" ;
import { EgwActionObject } from "../../egw_action/EgwActionObject" ;
import { EgwAction } from "../../egw_action/EgwAction" ;
import { EgwDragDropShoelaceTree } from "../../egw_action/EgwDragDropShoelaceTree" ;
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import { FindActionTarget } from "../FindActionTarget" ;
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import { EGW_AI_DRAG_ENTER , EGW_AI_DRAG_OUT } from "../../egw_action/egw_action_constants" ;
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export type TreeItemData = SelectOption & {
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focused? : boolean ;
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// Has children, but they may not be provided in item
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child : Boolean | 1 ,
data? : Object , //{sieve:true,...} or {acl:true} or other
id : string ,
im0 : String ,
im1 : String ,
im2 : String ,
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// Child items
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item : TreeItemData [ ] ,
checked? : Boolean ,
nocheckbox : number | Boolean ,
open : 0 | 1 ,
parent : String ,
text : String ,
tooltip : String ,
userdata : any [ ]
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//here we can store the number of unread messages, if there are any
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badge? : string ;
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}
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/ * *
* checks if the event has an Element in its composedPath that satisfies the Tag , className or both
* @param _ev
* @param tag
* @param className
* @returns true iff tag and classname are satisfied on the same Element somewhere in the composedPath and false otherwise
* /
export const composedPathContains = ( _ev : any , tag? : string , className? : string ) = > {
// Tag and classname is given
// check if one element has given tag with given class
if ( tag && className )
{
return _ev . composedPath ( ) . some ( ( el ) = > {
return el ? . classList ? . contains ( className ) && el ? . tagName ? . toLowerCase ( ) === tag . toLowerCase ( )
} )
}
// only classname is given
// check if one element has given class
if ( className && ! tag )
return _ev . composedPath ( ) . some ( ( el ) = > {
return el ? . classList ? . contains ( className )
} )
// only tag is given
// check if one element has given tag
if ( tag && ! className )
return _ev . composedPath ( ) . some ( ( el ) = > {
return el ? . tagName ? . toLowerCase ( ) === tag . toLowerCase ( )
} )
return false
}
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/ * *
* @event { { id : String , item :SlTreeItem } } sl - expand emmited when tree item expands
* //TODO add for other events
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* @since 23.1 . x
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* /
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export class Et2Tree extends Et2WidgetWithSelectMixin ( LitElement ) implements FindActionTarget
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{
//does not work because it would need to be run on the shadow root
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//@query("sl-tree-item[selected]") selected: SlTreeItem;
/ * *
* get the first selected node using attributes on the shadow root elements
* /
private get selected ( ) {
return this . shadowRoot . querySelector ( "sl-tree-item[selected]" )
}
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@property ( { type : Boolean } )
multiple : Boolean = false ;
@property ( { type : String } )
leafIcon : String ;
@property ( { type : String } )
collapsedIcon : String ;
@property ( { type : String } )
openIcon : String ;
@property ( { type : Function } )
onclick ; // description: "JS code which gets executed when clicks on text of a node"
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//onselect and oncheck only appear in multiselectTree
// @property()
// onselect // description: "Javascript executed when user selects a node"
// @property()
// oncheck // description: "Javascript executed when user checks a node"
@property ( { type : Boolean } )
highlighting : Boolean = false // description: "Add highlighting class on hovered over item, highlighting is disabled by default"
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@property ( { type : String } )
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autoloading : string = "" //description: "JSON URL or menuaction to be called for nodes marked with child=1, but not having children, getSelectedNode() contains node-id"
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@property ( { type : Function } )
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onopenstart //description: "Javascript function executed when user opens a node: function(_id, _widget, _hasChildren) returning true to allow opening!"
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@property ( { type : Function } )
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onopenend //description: "Javascript function executed when opening a node is finished: function(_id, _widget, _hasChildren)"
@property ( { type : String } )
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imagePath : string = egw ( ) . webserverUrl + "/api/templates/default/images/dhtmlxtree/" //TODO we will need a different path here! maybe just rename the path?
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// description: "Directory for tree structure images, set on server-side to 'dhtmlx' subdir of templates image-directory"
@property ( )
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value = [ ]
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protected autoloading_url : any ;
// private selectOptions: TreeItemData[] = [];
@state ( )
protected _selectOptions : TreeItemData [ ]
@state ( )
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protected _currentOption : TreeItemData
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@state ( )
protected _previousOption : TreeItemData
@state ( )
protected _currentSlTreeItem : SlTreeItem ;
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@state ( )
selectedNodes : SlTreeItem [ ]
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private _actionManager : EgwAction ;
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widget_object : EgwActionObject ;
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private get _tree() { return this . shadowRoot . querySelector ( 'sl-tree' ) ? ? null } ;
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constructor ( )
{
super ( ) ;
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this . _selectOptions = [ ] ;
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this . _optionTemplate = this . _optionTemplate . bind ( this ) ;
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this . selectedNodes = [ ] ;
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}
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private _initCurrent ( )
{
this . _currentSlTreeItem = this . selected ;
this . _currentOption = this . _currentSlTreeItem ? this . getNode ( this . _currentSlTreeItem ? . id ) : null
}
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firstUpdated ( )
{
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if ( this . autoloading )
{
// @ts-ignore from static get properties
let url = this . autoloading ;
if ( url . charAt ( 0 ) != '/' && url . substr ( 0 , 4 ) != 'http' )
{
url = '/json.php?menuaction=' + url ;
}
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this . autoloading = url ;
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}
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// Check if top level should be autoloaded
if ( this . autoloading && ! this . _selectOptions ? . length )
{
this . handleLazyLoading ( { item : this._selectOptions } ) . then ( ( results ) = >
{
this . _selectOptions = results ? . item ? ? [ ] ;
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this . _initCurrent ( )
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this . requestUpdate ( "_selectOptions" ) ;
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this . updateComplete . then ( ( value ) = > {
if ( value )
{
this . _link_actions ( this . actions )
}
} )
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} )
}
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if ( this . _selectOptions ? . length ) this . _initCurrent ( )
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// Actions can't be initialized without being connected to InstanceManager
this . _initActions ( ) ;
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this . _link_actions ( this . actions )
}
protected updated ( _changedProperties : PropertyValues )
{
super . updated ( _changedProperties ) ;
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}
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//Sl-Trees handle their own onClick events
_handleClick ( _ev )
{
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// check if not expand icon (> or v) was clicked, we have an onclick handler and a string value
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if ( ! ( _ev . composedPath ( ) [ 0 ] . tagName === 'svg' &&
( _ev . composedPath ( ) [ 0 ] . classList . contains ( 'bi-chevron-right' ) ||
_ev . composedPath ( ) [ 0 ] . classList . contains ( 'bi-chevron-down' )
)
) &&
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typeof this . onclick === "function" && typeof _ev . target . value === "string" )
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{
this . onclick ( _ev . target . value , this , _ev . target . value )
}
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}
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static get styles ( )
{
return [
shoelace ,
// @ts-ignore
. . . super . styles ,
css `
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: host {
-- sl - spacing - large : 1rem ;
}
: : part ( expand - button ) {
rotate : none ;
padding : 0 0.2 em 0 5 em ;
margin - left : - 5 em ;
}
/* Stop icon from shrinking if there's not enough space */
/* increase font size by 2px this was previously done in pixelegg css but document css can not reach shadow root*/
sl - tree - item sl - icon {
flex : 0 0 1 em ;
font - size : calc ( 100 % + 2 px ) ;
}
: : part ( label ) {
overflow : hidden ;
}
: : part ( label ) : hover {
text - decoration : underline ;
}
. tree - item__label {
overflow : hidden ;
white - space : nowrap ;
text - overflow : ellipsis ;
}
sl - tree - item . drop - hover {
background - color : var ( -- highlight - background - color ) ;
}
/*Mail specific style TODO move it out of the component*/
sl - tree - item . unread > . tree - item__label {
font - weight : bold ;
}
sl - tree - item . mailAccount > . tree - item__label {
font - weight : bold ;
}
sl - tree > sl - tree - item :nth - of - type ( n + 2 ) {
margin - top : 2px ;
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}
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/* End Mail specific style*/
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sl - tree - item . drop - hover sl - tree - item {
background - color : var ( -- sl - color - neutral - 0 ) ;
}
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/*TODO color of selected marker in front should be #006699 same as border top color*/
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sl - badge : : part ( base ) {
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background - color : var ( -- badge - color ) ; /* This is the same color as app color mail */
font - size : 1em ;
font - weight : 900 ;
position : absolute ;
top : 0 ;
right : 0.5em ;
line - height : 60 % ;
}
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@media only screen and ( max - device - width : 768px ) {
: host {
-- sl - font - size - medium : 1.2rem ;
}
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sl - tree - item {
padding : 0.1em ;
}
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}
`
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]
}
private _actions : object
get actions ( )
{
return this . _actions
}
/ * *
* Set Actions on the widget
*
* Each action is defined as an object :
*
* move : {
* type : "drop" ,
* acceptedTypes : "mail" ,
* icon : "move" ,
* caption : "Move to"
* onExecute : javascript : mail_move "
* }
*
* This will turn the widget into a drop target for "mail" drag types . When "mail" drag types are dropped ,
* the global function mail_move ( egwAction action , egwActionObject sender ) will be called . The ID of the
* dragged "mail" will be in sender . id , some information about the sender will be in sender . context . The
* etemplate2 widget involved can typically be found in action . parent . data . widget , so your handler
* can operate in the widget context easily . The location varies depending on your action though . It
* might be action . parent . parent . data . widget
*
* To customise how the actions are handled for a particular widget , override _link_actions ( ) . It handles
* the more widget - specific parts .
*
* @param { object } actions { ID : { attributes . . } + } map of egw action information
* @see api / src / Etemplate / Widget / Nextmatch . php egw_actions ( ) method
* /
@property ( { type : Object } )
set actions ( actions : object )
{
this . _actions = actions
if ( this . id == "" || typeof this . id == "undefined" )
{
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if ( this . isConnected )
{
window . egw ( ) . debug ( "warn" , "Widget should have an ID if you want actions" , this ) ;
}
// No id because we're not done yet, try again later
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return ;
}
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if ( this . isConnected )
{
this . _initActions ( ) ;
}
}
public loadFromXML ( )
{
let new_options = [ ] ;
if ( this . id )
{
new_options = < TreeItemData [ ] > < unknown > find_select_options ( this ) [ 1 ] ;
}
if ( new_options ? . length )
{
this . _selectOptions = new_options ;
}
}
/ * *
* Initialize the action manager and add some actions to it
* @private
* /
private _initActions ( )
{
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// Only look 1 level deep
// @ts-ignore exists from Et2Widget
var gam = egw_getActionManager ( this . egw ( ) . appName , true , 1 ) ;
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if ( typeof this . _actionManager != "object" )
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{
// @ts-ignore exists from Et2Widget
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if ( this . getInstanceManager ( ) && gam . getActionById ( this . getInstanceManager ( ) . uniqueId , 1 ) !== null )
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{
// @ts-ignore exists from Et2Widget
gam = gam . getActionById ( this . getInstanceManager ( ) . uniqueId , 1 ) ;
}
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if ( gam . getActionById ( this . id , 1 ) != null )
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{
this . _actionManager = gam . getActionById ( this . id , 1 ) ;
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}
else
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{
this . _actionManager = gam . addAction ( "actionManager" , this . id ) ;
}
}
// @ts-ignore egw() exists on this
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this . _actionManager . updateActions ( this . actions , this . egw ( ) . appName ) ;
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// @ts-ignore
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if ( this . options . default_execute )
{
this . _actionManager . setDefaultExecute ( this . options . default_execute ) ;
}
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// Put a reference to the widget into the action stuff, so we can
// easily get back to widget context from the action handler
this . _actionManager . data = { widget : this } ;
}
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/** Sets focus on the control. */
focus ( options? : FocusOptions )
{
this . _tree . focus ( ) ;
}
/** Removes focus from the control. */
blur ( )
{
this . _tree . blur ( ) ;
}
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/ * *
* @deprecated assign to onopenstart
* @param _handler
* /
public set_onopenstart ( _handler : any )
{
this . onopenstart = _handler
}
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/ * *
* @deprecated assign to onopenend
* @param _handler
* /
public set_onopenend ( _handler : any )
{
this . onopenend = _handler
}
/ * *
* @deprecated assign to onclick
* @param _handler
* /
public set_onclick ( _handler : Function )
{
this . installHandler ( 'onclick' , _handler ) ;
}
/ * *
* @deprecated assign to onselect
* @param _handler
* /
public set_onselect ( _handler : any )
{
this . onselect = _handler ;
}
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public set_badge ( _id : string , _value : string )
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{
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this . getNode ( _id ) . badge = _value ;
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this . requestUpdate ( ) ;
}
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/ * *
* @return currently selected Item or First Item , if no selection was made yet
* /
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public getSelectedItem ( ) : TreeItemData
{
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return this . _currentOption || ( this . _selectOptions ? this . _selectOptions [ 0 ] : null ) ;
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}
/ * *
* getSelectedNode , retrieves the full node of the selected Item
* @return { SlTreeItem } full SlTreeItem
* /
getSelectedNode ( ) : SlTreeItem
{
return this . _currentSlTreeItem
}
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getDomNode ( _id : string ) : SlTreeItem | null
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{
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return this . shadowRoot . querySelector ( 'sl-tree-item[id="' + _id . replace ( /"/g , '\\"' ) + '"' ) ;
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}
/ * *
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* return the Item with given _id , was called getDomNode ( _id ) in dhtmlxTree
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* @param _id
* /
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public getNode ( _id : string ) : TreeItemData
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{
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if ( _id == undefined ) { debugger ; }
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// TODO: Look into this._search(), find out why it doesn't always succeed
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return this . _search ( _id , this . _selectOptions ) ? ? this . optionSearch ( _id , this . _selectOptions , 'id' , 'item' )
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}
/ * *
* set the text of item with given id to new label
* @param _id
* @param _label
* @param _tooltip
* /
setLabel ( _id , _label , _tooltip ? )
{
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let tooltip = _tooltip || ( this . getNode ( _id ) && this . getNode ( _id ) . tooltip ? this . getNode ( _id ) . tooltip : "" ) ;
let i = this . getNode ( _id )
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i . tooltip = tooltip
i . text = _label
}
/ * *
* getLabel , gets the Label of of an item by id
* @param _id ID of the node
* @return _label
* /
getLabel ( _id )
{
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return this . getNode ( _id ) ? . text ;
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}
/ * *
* getSelectedLabel , retrieves the Label of the selected Item
* @return string or null
* /
getSelectedLabel ( )
{
return this . getSelectedItem ( ) ? . text
}
/ * *
* deleteItem , deletes an item by id
* @param _id ID of the node
* @param _selectParent select the parent node true / false TODO unused atm
* @return void
* /
deleteItem ( _id , _selectParent )
{
this . _deleteItem ( _id , this . _selectOptions )
// Update action
// since the action ID has to = this.id, getObjectById() won't work
let treeObj = ( < EgwActionObject > < unknown > egw_getAppObjectManager ( false ) ) . getObjectById ( this . id ) ;
for ( let i = 0 ; i < treeObj . children . length ; i ++ )
{
if ( treeObj . children [ i ] . id == _id )
{
treeObj . children . splice ( i , 1 ) ;
}
}
this . requestUpdate ( ) ;
}
/ * *
* Updates a leaf of the tree by requesting new information from the server using the
* autoloading attribute .
*
* @param { string } _id ID of the node
* @param { Object } [ data ] If provided , the item is refreshed directly with
* the provided data instead of asking the server
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* @return Promise
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* /
refreshItem ( _id , data )
{
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/ * T O D O c u r r e n t l y a l w a y s a s k t h e s e v e r
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if ( typeof data != "undefined" && data != null )
{
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//data seems never to be used
this . refreshItem ( _id , null )
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} else * /
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{
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let item = this . getNode ( _id ) ;
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// if the item does not exist in the tree yet no need to refresh
if ( item == null ) return
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return this . handleLazyLoading ( item ) . then ( ( result ) = > {
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item . item = [ . . . result . item ]
this . requestUpdate ( "_selectOptions" )
} )
}
}
/ * *
* Does nothing
* @param _id
* @param _style
* /
setStyle ( _id , _style )
{
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const temp = this . getDomNode ( _id ) . defaultSlot ;
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if ( ! temp ) return 0 ;
temp . setAttribute ( "style" , _style ) ;
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}
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/ * *
* manipulate the classes of a tree item
* this sets the class property of the item ( just like php might set it ) .
* This triggers the class attribute of the sl - tree - item to be set
* mode "=" remove all classes and set only the given one
* mode "+" add the given class
* mode "-" remove the given class
* @param _id
* @param _className
* @param _mode
* /
setClass ( _id : string , _className : string , _mode : '=' | '+' | '-' )
{
const item = this . getNode ( _id ) ;
if ( item == null ) return ;
if ( ! item . class ) item . class = "" ;
switch ( _mode )
{
case "=" :
item . class = _className
break ;
case "-" :
item . class = item . class . replace ( _className , "" )
break ;
case "+" :
if ( ! item . class . includes ( _className ) )
{
if ( item . class == "" )
{
item . class = _className ;
} else
{
item . class += " " + _className ;
}
}
break ;
}
if ( item . class . trim ( ) === "" ) item . class = undefined ;
}
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/ * *
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* getTreeNodeOpenItems
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*
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* @param { string } _nodeID the nodeID where to start from ( initial node ) 0 means for all items
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* @param { string } mode the mode to run in : "forced" fakes the initial node openState to be open
* @return { object } structured array of node ids : array ( message - ids )
* /
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getTreeNodeOpenItems ( _nodeID : string | 0 , mode? : string )
{
let subItems =
( _nodeID == 0 ) ?
this . _selectOptions . map ( option = > this . getDomNode ( option . id ) ) : //NodeID == 0 means that we want all tree Items
this . getDomNode ( _nodeID ) . getChildrenItems ( ) ; // otherwise get the subItems of the given Node
let oS : boolean ;
let PoS : 0 | 1 | - 1 ;
let rv : string [ ] ;
let returnValue = ( _nodeID == 0 ) ? [ ] : [ _nodeID ] ; // do not keep 0 in the return value...
let modetorun = "none" ;
if ( mode )
{
modetorun = mode ;
}
PoS = ( _nodeID == 0 ) ? 1 : ( this . getDomNode ( _nodeID ) . expanded ? 1 : 0 )
if ( modetorun == "forced" ) PoS = 1 ;
if ( PoS == 1 )
{
for ( const item of subItems )
{
//oS = this.input.getOpenState(z[i]);
oS = item . expanded // iff current item is expanded go deeper
//if (oS == -1) {returnValue.push(z[i]);}
//if (oS == 0) {returnValue.push(z[i]);}
if ( ! oS )
{
returnValue . push ( item . id )
}
//if (oS == 1)
else
{
rv = this . getTreeNodeOpenItems ( item . id ) ;
for ( const recId of rv )
{
returnValue . push ( recId ) ;
}
}
}
}
//alert(returnValue.join('#,#'));
return returnValue ;
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}
/ * *
* @param _id
* @param _newItemId
* @param _label
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* @return Promise
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* /
public renameItem ( _id , _newItemId , _label )
{
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this . getNode ( _id ) . id = _newItemId
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// Update action
// since the action ID has to = this.id, getObjectById() won't work
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let treeObj : EgwActionObject = egw_getAppObjectManager ( false ) . getObjectById ( this . id ) ;
for ( const actionObject of treeObj . children )
{
if ( actionObject . id == _id )
{
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actionObject . id = _newItemId ;
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if ( actionObject . iface )
{
actionObject . iface . id = _newItemId
}
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break
}
}
if ( typeof _label != 'undefined' ) this . setLabel ( _newItemId , _label ) ;
this . requestUpdate ( )
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return this . updatedComplete ( ) ;
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}
public focusItem ( _id )
{
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let item = this . getNode ( _id )
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item . focused = true
}
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/ * *
* Open an item , which might trigger lazy - loading
*
* @param string _id
* @return Promise
* /
public openItem ( _id : string )
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{
let item = this . getNode ( _id ) ;
if ( item )
{
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item . open = 1 ;
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}
this . requestUpdate ( ) ;
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return this . updateComplete ;
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}
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/ * *
* hasChildren
*
* @param _id ID of the node
* @return the number of childelements
* /
hasChildren ( _id )
{
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return this . getNode ( _id ) . item ? . length ;
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}
/ * *
* reSelectItem , reselects an item by id
* @param _id ID of the node
* /
reSelectItem ( _id )
{
this . _previousOption = this . _currentOption
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this . _currentOption = this . getNode ( _id ) ;
const node : SlTreeItem = this . getDomNode ( _id )
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if ( node )
{
this . _currentSlTreeItem = node ;
node . selected = true
}
}
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/ * *
* Set or unset checkbox of given node and all it ' s children based on given value
*
* @param _id
* @param _value "toggle" means the current nodes value , as the toggle already happened by default
* @return boolean false if _id was not found
* /
setSubChecked ( _id : string , _value : boolean | "toggle" )
{
const node = this . getDomNode ( _id ) ;
if ( ! node ) return false ;
if ( _value !== 'toggle' )
{
node . selected = _value ;
}
Array . from ( node . querySelectorAll ( 'sl-tree-item' ) ) . forEach ( ( item : SlTreeItem ) = > {
item . selected = node . selected ;
} ) ;
// set selectedNodes and value
this . selectedNodes = [ ] ;
this . value = [ ] ;
Array . from ( this . _tree . querySelectorAll ( 'sl-tree-item' ) ) . forEach ( ( item : SlTreeItem ) = > {
if ( item . selected )
{
this . selectedNodes . push ( item ) ;
this . value . push ( item . id ) ;
}
} ) ;
return true ;
}
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getUserData ( _nodeId , _name )
{
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return this . getNode ( _nodeId ) ? . userdata ? . find ( elem = > elem . name === _name ) ? . content
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}
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/ * *
* Handle drag events from inside the shadowRoot
*
* events get re - targeted to the tree as they bubble , and action can ' t tell the difference between leaves
* inside the shadowRoot
*
* @param event
* @returns { Promise < void > }
* @protected
* /
protected async handleDragEvent ( event )
{
await this . updateComplete ;
let option = event . composedPath ( ) . find ( element = >
{
return element . tagName == "SL-TREE-ITEM"
} ) ;
if ( ! option )
{
return ;
}
let id = option . value ? ? ( typeof option . id == 'number' ? String ( option . id ) : option . id ) ;
console . log ( event . type , id ) ;
const typeMap = {
dragenter : EGW_AI_DRAG_ENTER ,
dragleave : EGW_AI_DRAG_OUT
}
this . widget_object . getObjectById ( id ) . iface . triggerEvent ( typeMap [ event . type ] , event ) ;
}
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/ * *
* Overridable , add style
* @returns { TemplateResult < 1 > }
* /
styleTemplate ( )
{
return html ` ` ;
}
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//this.selectOptions = find_select_options(this)[1];
_optionTemplate ( selectOption : TreeItemData ) : TemplateResult < 1 >
{
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// Check to see if node is marked as open with no children. If autoloadable, load the children
const expandState = ( this . calculateExpandState ( selectOption ) ) ;
//mail sends multiple image options depending on folder state
let img : String ;
if ( selectOption . open ) //if item is a folder and it is opened use im1
{
img = selectOption . im1 ;
} else if ( selectOption . child || selectOption . item ? . length > 0 ) // item is a folder and closed use im2
{
img = selectOption . im2 ;
} else // item is a leaf use im0
{
img = selectOption . im0 ;
}
//fallback to try and set icon if everything else failed
if ( ! img ) img = selectOption . icon ? ? selectOption . im0 ? ? selectOption . im1 ? ? selectOption . im2 ;
if ( img ? . endsWith ( ".png" ) )
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{
//sl-icon images need to be svgs if there is a png try to find the corresponding svg
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img = img . replace ( ".png" , ".svg" ) ;
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}
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//append image path if it was not set by the server already
if ( ! img . startsWith ( this . imagePath ) )
{
img = this . imagePath + img ;
}
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// lazy iff "child" is set and "item" is empty or item does not exist in the first place
const lazy = ( selectOption . item ? . length === 0 && selectOption . child ) || ( selectOption . child && ! selectOption . item )
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if ( expandState && this . autoloading && lazy )
{
this . updateComplete . then ( ( ) = >
{
this . getDomNode ( selectOption . id ) ? . dispatchEvent ( new CustomEvent ( "sl-lazy-load" ) ) ;
} )
}
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const value = selectOption . value ? ? selectOption . id ;
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return html `
< sl - tree - item
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part = "item"
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exportparts = "checkbox, label, item:item-item"
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id = $ { selectOption . id }
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title = $ { selectOption . tooltip || nothing }
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class = $ { selectOption . class || nothing }
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? selected = $ { typeof this . value == "string" && this . value == value || Array . isArray ( this . value ) && this . value . includes ( value ) }
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? expanded = $ { expandState }
? lazy = $ { lazy }
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? focused = $ { selectOption . focused || nothing }
@sl - lazy - load = $ { ( event ) = > {
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// No need for this to bubble up, we'll handle it (otherwise the parent leaf will load too)
event . stopPropagation ( ) ;
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this . handleLazyLoading ( selectOption ) . then ( ( result ) = > {
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// TODO: We already have the right option in context. Look into this.getNode(), find out why it's there. It doesn't do a deep search.
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const parentNode = selectOption ? ? this . getNode ( selectOption . id ) ? ? this . optionSearch ( selectOption . id , this . _selectOptions , 'id' , 'item' ) ;
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parentNode . item = [ . . . result . item ]
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this . requestUpdate ( "_selectOptions" )
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this . _link_actions ( this . actions )
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} )
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}
}
@sl - expand = $ { event = > {
if ( event . target . id === selectOption . id )
{
selectOption . open = 1 ;
this . requestUpdate ( "_selectOptions" )
}
} }
@sl - collapse = $ { event = > {
if ( event . target . id === selectOption . id )
{
selectOption . open = 0 ;
this . requestUpdate ( "_selectOptions" )
}
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} }
>
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< sl - icon src = "${img ?? nothing}" > < / s l - i c o n >
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< span class = "tree-item__label" >
$ { selectOption . label ? ? selectOption . text }
< / span >
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$ { ( selectOption . badge ) ?
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html `
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< sl - badge pill variant = "neutral" > $ { selectOption . badge } < / s l - b a d g e >
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` : nothing}
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$ { selectOption . children ? repeat ( selectOption . children , this . _optionTemplate ) : ( selectOption . item ? repeat ( selectOption . item , this . _optionTemplate ) : nothing ) }
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< / s l - t r e e - i t e m > `
}
public render ( ) : unknown
{
return html `
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$ { this . styleTemplate ( ) }
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< sl - tree
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part = "tree"
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. selection = $ { /* implement unlinked multiple: this.multiple ? "multiple" :*/ "single" }
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@sl - selection - change = $ {
( event : any ) = > {
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this . _previousOption = this . _currentOption ? ? ( this . value . length ? this . getNode ( this . value [ 0 ] ) : null ) ;
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this . _currentOption = this . getNode ( event . detail . selection [ 0 ] . id ) ? ? this . optionSearch ( event . detail . selection [ 0 ] . id , this . _selectOptions , 'id' , 'item' ) ;
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const ids = event . detail . selection . map ( i = > i . id ) ;
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// implemented unlinked multiple
if ( this . multiple )
{
const idx = this . value . indexOf ( ids [ 0 ] ) ;
if ( idx < 0 )
{
this . value . push ( ids [ 0 ] ) ;
}
else
{
this . value . splice ( idx , 1 ) ;
}
// sync tree-items selected attribute with this.value
this . selectedNodes = [ ] ;
Array . from ( this . _tree . querySelectorAll ( 'sl-tree-item' ) ) . forEach ( ( item : SlTreeItem ) = >
{
if ( this . value . includes ( item . id ) )
{
item . setAttribute ( "selected" , "" ) ;
this . selectedNodes . push ( item ) ;
}
else
{
item . removeAttribute ( "selected" ) ;
}
} ) ;
this . _tree . requestUpdate ( ) ;
}
else
{
this . value = this . multiple ? ids ? ? [ ] : ids [ 0 ] ? ? "" ;
}
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event . detail . previous = this . _previousOption ? . id ;
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this . _currentSlTreeItem = event . detail . selection [ 0 ] ;
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/ * i m p l e m e n t e d u n l i n k e d - m u l t i p l e
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if ( this . multiple )
{
this . selectedNodes = event . detail . selection
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} * /
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if ( typeof this . onclick == "function" )
{
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// wait for the update, so app founds DOM in the expected state
this . _tree . updateComplete . then ( ( ) = > {
this . onclick ( event . detail . selection [ 0 ] . id , this , event . detail . previous )
} ) ;
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}
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}
}
@sl - expand = $ {
( event ) = > {
event . detail . id = event . target . id
event . detail . item = event . target
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if ( this . onopenstart )
{
this . onopenstart ( event . detail . id , this , 1 )
}
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}
}
@sl - after - expand = $ {
( event ) = > {
event . detail . id = event . target . id
event . detail . item = event . target
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if ( this . onopenend )
{
this . onopenend ( event . detail . id , this , - 1 )
}
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}
}
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@dragenter = $ { ( event ) = > { this . handleDragEvent ( event ) ; } }
@dragleave = $ { ( event ) = > { this . handleDragEvent ( event ) ; } }
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>
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< sl - icon name = "chevron-right" slot = "expand-icon" > < / s l - i c o n >
< sl - icon name = "chevron-down" slot = "collapse-icon" > < / s l - i c o n >
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$ { repeat ( this . _selectOptions , this . _optionTemplate ) }
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< / s l - t r e e >
` ;
}
handleLazyLoading ( _item : TreeItemData )
{
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let requestLink = egw ( ) . link ( egw ( ) . ajaxUrl ( egw ( ) . decodePath ( this . autoloading ) ) ,
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{
id : _item.id
} )
let result : Promise < TreeItemData > = egw ( ) . request ( requestLink , [ ] )
return result
. then ( ( results ) = > {
_item = results ;
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// Add actions
const itemAO = this . widget_object . getObjectById ( _item . id ) ;
let parentAO = null ;
if ( itemAO && itemAO . parent )
{
// Remove previous, if it exists
parentAO = itemAO . parent ;
itemAO . remove ( ) ;
}
// Need the DOM nodes to actually link the actions
this . updateComplete . then ( ( ) = >
{
this . linkLeafActions (
parentAO ? ? this . widget_object ,
_item ,
this . _get_action_links ( this . actions )
) ;
} ) ;
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return results ;
} ) ;
}
/ * *
*
*
* /
_link_actions ( actions )
{
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if ( this . actions && ! this . _actionManager )
{
// ActionManager creation was missed
this . actions = this . _actions ;
}
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// Get the top level element for the tree
let objectManager = egw_getAppObjectManager ( true ) ;
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this . widget_object = objectManager . getObjectById ( this . id ) ;
if ( this . widget_object == null )
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{
// Add a new container to the object manager which will hold the widget
// objects
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this . widget_object = objectManager . insertObject ( false , new EgwActionObject (
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//@ts-ignore
this . id , objectManager , ( new et2_action_object_impl ( this , this ) ) . getAOI ( ) ,
this . _actionManager || objectManager . manager . getActionById ( this . id ) || objectManager . manager
) ) ;
} else
{
// @ts-ignore
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this . widget_object . setAOI ( ( new et2_action_object_impl ( this , this ) ) . getAOI ( ) ) ;
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}
// Delete all old objects
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this . widget_object . clear ( ) ;
this . widget_object . unregisterActions ( ) ;
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// Go over the widget & add links - this is where we decide which actions are
// 'allowed' for this widget at this time
var action_links = this . _get_action_links ( actions ) ;
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this . widget_object . updateActionLinks ( action_links ) ;
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//Drop target enabeling
if ( typeof this . _selectOptions != 'undefined' )
{
let self : Et2Tree = this
// Iterate over the options (leaves) and add action to each one
for ( const selectOption of this . _selectOptions )
{
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this . linkLeafActions ( this . widget_object , selectOption , action_links )
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}
}
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}
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/ * *
* Add actions on a leaf
*
* @param { EgwActionObject } parentActionObject
* @param { TreeItemData } option
* @param { string [ ] } action_links
* @protected
* /
protected linkLeafActions ( parentActionObject : EgwActionObject , option : TreeItemData , action_links : string [ ] )
{
// Add a new action object to the object manager
let id = option . value ? ? ( typeof option . id == 'number' ? String ( option . id ) : option . id ) ;
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// @ts-ignore
let obj : EgwActionObject = parentActionObject . addObject ( id , new EgwDragDropShoelaceTree ( this , id ) ) ;
obj . findActionTargetHandler = this ;
obj . updateActionLinks ( action_links ) ;
const children = < TreeItemData [ ] > < unknown > ( option . children ? ? option . item ) ? ? [ ] ;
for ( let i = 0 ; i < children . length ; i ++ )
{
this . linkLeafActions ( obj , children [ i ] , action_links ) ;
}
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}
/ * *
* Get all action - links / id ' s of 1 . - level actions from a given action object
*
* This can be overwritten to not allow all actions , by not returning them here .
*
* @param actions
* @returns { Array }
* /
_get_action_links ( actions )
{
var action_links = [ ] ;
for ( var i in actions )
{
var action = actions [ i ] ;
action_links . push ( typeof action . id != 'undefined' ? action.id : i ) ;
}
return action_links ;
}
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/ * *
*
* @param _id to search for
* @param data { TreeItemData [ ] } structure to search in
* @return { TreeItemData } node with the given _id or null
* @private
* /
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private _search ( _id : string | number , data : TreeItemData [ ] ) : TreeItemData
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{
let res : TreeItemData = null
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if ( _id == undefined )
{
return null
}
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if ( typeof _id === "number" )
{
_id = _id + "" ;
}
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for ( const value of data )
{
if ( value . id === _id )
{
res = value
return res
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}
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else if ( _id ? . startsWith ( value . id ) && typeof value . item !== "undefined" )
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{
res = this . _search ( _id , value . item )
}
}
return res
}
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/ * *
* checks whether item should be drawn open or closed
* also sets selectOption . open if necessary
* @param selectOption
* @returns true iff item is in expanded state
* /
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private calculateExpandState = ( selectOption : TreeItemData ) = > {
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if ( selectOption . open )
{
return true
}
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// TODO: Move this mail-specific stuff into mail
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if ( selectOption . id && ( selectOption . id . endsWith ( "INBOX" ) || selectOption . id == window . egw . preference ( "ActiveProfileID" , "mail" ) ) )
{
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selectOption . open = 1
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return true
}
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return false ;
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}
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private _deleteItem ( _id , list )
{
for ( let i = 0 ; i < list . length ; i ++ )
{
const value = list [ i ] ;
if ( value . id === _id )
{
list . splice ( i , 1 )
} else if ( _id . startsWith ( value . id ) )
{
this . _deleteItem ( _id , value . item )
}
}
}
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/ * *
* returns the closest SlItem to the click position , and the corresponding EgwActionObject
* @param _event the click event
* @returns { target :SlTreeItem , action :EgwActionObject }
* /
findActionTarget ( _event ) : { target : SlTreeItem , action : EgwActionObject }
{
let e = _event . composedPath ? _event : _event.originalEvent ;
let target = e . composedPath ( ) . find ( element = > {
return element . tagName == "SL-TREE-ITEM"
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} ) ;
let action : EgwActionObject = this . widget_object . getObjectById ( target . id ) ;
return { target : target , action : action } ;
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}
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}
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customElements . define ( "et2-tree" , Et2Tree ) ;