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99 lines
2.6 KiB
TypeScript
99 lines
2.6 KiB
TypeScript
/**
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* EGroupware egw_dragdrop_shoelaceTree - egw action framework
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*
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* @link https://www.egroupware.org
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* @author Andreas Stöckel <as@stylite.de>
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* @copyright 2011 by Andreas Stöckel
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package egw_action
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*/
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import {egwActionObjectInterface} from "./egw_action";
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import {Et2Tree} from "../etemplate/Et2Tree/Et2Tree";
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import {EGW_AI_DRAG_ENTER, EGW_AI_DRAG_OUT, EGW_AO_STATE_FOCUSED, EGW_AO_STATE_SELECTED} from "./egw_action_constants";
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import {egwBitIsSet} from "./egw_action_common";
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import {SlTreeItem} from "@shoelace-style/shoelace";
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import {FindActionTarget} from "../etemplate/FindActionTarget";
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export const EXPAND_FOLDER_ON_DRAG_DROP_TIMEOUT = 1000
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export class EgwDragDropShoelaceTree extends egwActionObjectInterface{
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node: SlTreeItem;
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id: string;
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tree: Et2Tree;
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// Reference to the widget that's handling actions for us
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public findActionTargetHandler : FindActionTarget;
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// List of timeouts indexed by ID because drag out doesn't always happen before drag in
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private timeouts : { [key : string] : ReturnType<typeof setTimeout> };
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constructor(_tree : Et2Tree)
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{
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super();
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this.tree = _tree
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this.findActionTargetHandler = _tree;
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this.timeouts = {};
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}
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public doTriggerEvent(egw_event : number, data : any)
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{
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let dom_event = data.event ?? data;
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const target = this.findActionTargetHandler.findActionTarget(dom_event);
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if(egw_event == EGW_AI_DRAG_ENTER && !target.target.classList.contains("draggedOver"))
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{
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target.target.classList.add("draggedOver", "drop-hover");
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this.timeouts[target.target.id] = setTimeout(() =>
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{
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if(target.target.classList.contains("draggedOver"))
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{
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(<SlTreeItem>target.target).expanded = true
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}
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}, EXPAND_FOLDER_ON_DRAG_DROP_TIMEOUT)
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}
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else if(egw_event == EGW_AI_DRAG_OUT)
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{
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target.target.classList.remove("draggedOver", "drop-hover");
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clearTimeout(this.timeouts[target.target.id])
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}
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return true
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}
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public doSetState(_state)
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{
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if(!this.tree || !this.tree.focusItem)
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{
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return;
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}
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if(this.stateChangeContext)
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{
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const target = this.tree.shadowRoot.querySelector("[id='" + this.stateChangeContext.id + "']");
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if(target && egwBitIsSet(_state, EGW_AO_STATE_FOCUSED))
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{
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target.focus();
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}
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}
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// Update the "focused" flag
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if(egwBitIsSet(_state, EGW_AO_STATE_FOCUSED))
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{
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this.tree.focus();
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}
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if(egwBitIsSet(_state, EGW_AO_STATE_SELECTED))
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{
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// _tree.selectItem(this.id, false); // false = do not trigger onSelect
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}
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}
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getWidget()
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{
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return this.tree;
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}
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doGetDOMNode()
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{
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return this.tree;
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}
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} |