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86 lines
2.6 KiB
86 lines
2.6 KiB
import {opApiModule} from './../../../angular-modules';
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//-- copyright
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// OpenProject is a project management system.
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// Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License version 3.
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//
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// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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// Copyright (C) 2006-2013 Jean-Philippe Lang
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// Copyright (C) 2010-2013 the ChiliProject Team
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// See doc/COPYRIGHT.rdoc for more details.
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//++
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import {opUiComponentsModule} from '../../../angular-modules';
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interface DragScrollData {
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delta: {
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x: number,
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y: number
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};
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}
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function opDragScroll() {
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return {
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restrict: 'A',
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link: function(scope:ng.IScope, element:ng.IAugmentedJQuery, attr:ng.IAttributes) {
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const eventName = 'op:dragscroll';
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// Is mouse down?
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var mousedown = false;
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// Position of last mousedown
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var mousedownX:number, mousedownY:number;
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// Mousedown: Potential drag start
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element.on('mousedown', (evt:JQueryEventObject) => {
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setTimeout(() => {
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mousedown = true;
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mousedownX = evt.clientX;
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mousedownY = evt.clientY;
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}, 50, false);
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});
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// Mouseup: Potential drag stop
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element.on('mouseup', () => { mousedown = false; });
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// Mousemove: Report movement if mousedown
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element.on('mousemove', (evt:JQueryEventObject) => {
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if (!mousedown) {
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return;
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}
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// Trigger drag scroll event
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element.trigger(eventName, {
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x: evt.clientX - mousedownX,
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y: evt.clientY - mousedownY
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});
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// Update last mouse position
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mousedownX = evt.clientX;
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mousedownY = evt.clientY;
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});
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}
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};
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}
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opUiComponentsModule.directive('opDragScroll', opDragScroll);
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