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Replace jquery-ui swipe with tapandswipe library

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This commit is contained in:
Hadi Nategh 2022-05-25 17:40:42 +02:00
parent a5fe6d938b
commit b8d348d30c
3 changed files with 207 additions and 40 deletions
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35
api/js/egw_action/egw_action_popup.js
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@ -18,6 +18,7 @@ import {egwAction, egwActionImplementation, egwActionObject} from './egw_action.
import {egwFnct} from './egw_action_common.js';
import {egwMenu, _egw_active_menu} from "./egw_menu.js";
import {EGW_KEY_ENTER, EGW_KEY_MENU} from "./egw_action_constants.js";
import {tapAndSwipe} from "../tapandswipe";
if (typeof window._egwActionClasses == "undefined")
window._egwActionClasses = {};
@ -280,35 +281,23 @@ export function egwPopupActionImplementation()
};
ai._handleTapHold = function (_node, _callback)
{
let holdTimer = 600;
let maxDistanceAllowed = 40;
let tapTimeout = null;
let startx = 0;
let starty = 0;
//TODO (todo-jquery): ATM we need to convert the possible given jquery dom node object into DOM Element, this
// should be no longer neccessary after removing jQuery nodes.
if (_node instanceof jQuery)
{
_node = _node[0];
}
_node.addEventListener('touchstart', function(e){
tapTimeout = setTimeout(function(event){
_callback(e);
}, holdTimer);
startx = (e.changedTouches) ? e.changedTouches[0].pageX: e.pageX;
starty = (e.changedTouches) ? e.changedTouches[0].pageY: e.pageY;
});
_node.addEventListener('touchend', function(){
clearTimeout(tapTimeout);
});
_node.addEventListener('touchmove', function(_event){
if (tapTimeout == null) return;
let e = _event.originalEvent;
let x = (e.changedTouches) ? e.changedTouches[0].pageX: e.pageX;
let y = (e.changedTouches) ? e.changedTouches[0].pageY: e.pageY;
if (Math.sqrt((x-startx)*(x-startx) + (y-starty)+(y-starty)) > maxDistanceAllowed) clearTimeout(tapTimeout);
let tap = new tapAndSwipe(_node, {
// this threshold must be the same as the one set in et2_dataview_view_aoi
tapHoldThreshold: 600,
tapAndHold: function(event)
{
// don't trigger contextmenu if sorting is happening
if (document.querySelector('.sortable-drag')) return;
_callback(event);
}
});
}
/**
@ -350,7 +339,7 @@ export function egwPopupActionImplementation()
// Safari still needs the taphold to trigger contextmenu
// Chrome has default event on touch and hold which acts like right click
this._handleTapHold(_node, contextHandler);
jQuery(_node).on('contextmenu', contextHandler);
if (!egwIsMobile()) jQuery(_node).on('contextmenu', contextHandler);
};
ai.doRegisterAction = function(_aoi, _callback, _context)

33
api/js/etemplate/et2_dataview_view_aoi.ts
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@ -23,6 +23,7 @@ import {EGW_AO_SHIFT_STATE_MULTI,
EGW_AO_STATE_SELECTED} from '../egw_action/egw_action_constants.js';
import {egwBitIsSet, egwGetShiftState, egwPreventSelect, egwSetBit, egwUnfocus, egwIsMobile} from "../egw_action/egw_action_common.js";
import {_egw_active_menu} from "../egw_action/egw_menu.js";
import {tapAndSwipe} from "../tapandswipe";
/**
* Contains the action object interface implementation for the nextmatch widget
@ -114,23 +115,21 @@ export function et2_dataview_rowAOI(_node)
};
if (egwIsMobile()) {
jQuery(_node).swipe({
allowPageScroll: "vertical",
longTapThreshold: 10,
swipe: function (event, direction, distance)
{
if (distance > 100) selectHandler(event, {swip:direction});
},
tap: function (event, duration)
{
selectHandler(event);
},
// stop scrolling touch being confused from tap
longTap: function (event)
{
return;
}
let swipe = new tapAndSwipe(_node,{
// set the same threshold as action_popup event to get the tapAndHold working
tapHoldThreshold: 600,
swipe: function (event, direction, distance)
{
if (distance > 100) selectHandler(event, {swip:direction});
},
tap: function (event)
{
selectHandler(event);
},
tapAndHold: function(event)
{
return;
}
});
} else {
jQuery(_node).click(selectHandler);

179
api/js/tapandswipe.ts Normal file
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@ -0,0 +1,179 @@
/**
* EGroupware TapAndSwipe helper library
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package Api
* @subpackage ui
* @link https://www.egroupware.org
* @author Hadi Nategh <hn@egroupware.org>
*/
export interface TapAndSwipeOptions {
// tolorated pixel to fire the swipe events
threshold? : number,
// time delay for defirentiate between tap event and long tap event, threshold is in milliseconds
tapHoldThreshold? : number,
// callback function being called on swipe gestures
swipe? : Function,
// callback function being called on tap
tap? : Function,
// callback function being called on long tap(tap and hold)
tapAndHold? : Function
}
export type TapAndSwipeOptionsType = TapAndSwipeOptions;
export class tapAndSwipe {
static readonly _default : TapAndSwipeOptionsType = {
threshold : 10,
tapHoldThreshold : 3000,
swipe : function(){},
tap : function(){},
tapAndHold: function(){}
}
/**
* Keeps the touch X start point
* @private
*/
private _startX : number = null;
/**
* Keeps the touch Y start point
* @private
*/
private _startY : number = null;
/**
* Keeps the touch X end point
* @private
*/
private _endX : number = null;
/**
* Keeps the touch Y end point
* @private
*/
private _endY : number = null;
/**
* keeps the distance travelled between start point and end point
* @private
*/
private _distance : number = null;
/**
* flag to keep the status of type of tap
* @private
*/
private _isTapAndHold : boolean = false;
/**
* keeps the timeout id for taphold
*/
private _tapHoldTimeout : number = null;
/**
* Options
* @protected
*/
protected options : TapAndSwipeOptionsType = null;
/**
* Keeps the html node
*/
private _element : HTMLElement = null;
/**
* Constructor
* @param _element
* @param _options
*/
public constructor(_element : string | HTMLElement, _options? : TapAndSwipeOptionsType)
{
this.options = {...tapAndSwipe._default, ..._options};
this._element = (_element instanceof EventTarget) ? _element : document.querySelector(_element);
this._element.addEventListener('touchstart', this._onTouchStart.bind(this), false);
this._element.addEventListener('touchend', this._ontouchEnd.bind(this), false);
}
/**
* on touch start event handler
* @param event
* @private
*/
private _onTouchStart(event : TouchEvent)
{
this._startX = event.changedTouches[0].screenX;
this._startY = event.changedTouches[0].screenY;
this._isTapAndHold = false;
this._tapHoldTimeout = window.setTimeout(_=>{
this._isTapAndHold = true;
this.options.tapAndHold(event);
}, this.options.tapHoldThreshold);
}
/**
* On touch end event handler
* @param event
* @private
*/
private _ontouchEnd(event : TouchEvent)
{
this._endX = event.changedTouches[0].screenX;
this._endY = event.changedTouches[0].screenY;
this._handler(event);
}
/**
* Handles the type of gesture and calls the right callback for it
* @param event
* @private
*/
private _handler(event : TouchEvent)
{
//cleanup tapHoldTimeout
window.clearTimeout(this._tapHoldTimeout);
// Tap & TapAndHold handler
if (this._endX == this._startX && this._endY == this._startY
|| (Math.sqrt((this._endX-this._startX)*(this._endX-this._startX) + (this._endY-this._startY)+(this._endY-this._startY))
< this.options.threshold))
{
if (!this._isTapAndHold)
{
this.options.tap(event);
}
return;
}
// left swipe handler
if (this._endX + this.options.threshold < this._startX) {
this._distance = this._startX - this._endX;
this.options.swipe(event, 'left', this._distance);
return;
}
// right swipe handler
if (this._endX - this.options.threshold > this._startX) {
this._distance = this._endX - this._startX;
this.options.swipe(event, 'right', this._distance);
return;
}
// up swipe handler
if (this._endY + this.options.threshold < this._startY) {
this._distance = this._startY - this._endY;
this.options.swipe(event, 'up', this._distance);
return;
}
// down swipe handler
if (this._endY - this.options.threshold > this._startY) {
this._distance = this._endY - this._startY;
this.options.swipe(event, 'down', this._distance);
return;
}
}
/**
* destroy the event listeners
*/
public destroy()
{
this._element.removeEventListener('touchstart', this._onTouchStart);
this._element.removeEventListener('touchend', this._ontouchEnd);
}
}