diff options
Diffstat (limited to 'extlib/leaflet/src/dom/Draggable.js')
| -rw-r--r-- | extlib/leaflet/src/dom/Draggable.js | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/extlib/leaflet/src/dom/Draggable.js b/extlib/leaflet/src/dom/Draggable.js deleted file mode 100644 index c0aea23e..00000000 --- a/extlib/leaflet/src/dom/Draggable.js +++ /dev/null @@ -1,129 +0,0 @@ -/*
- * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too.
- */
-
-L.Draggable = L.Class.extend({
- includes: L.Mixin.Events,
-
- statics: {
- START: L.Browser.touch ? 'touchstart' : 'mousedown',
- END: L.Browser.touch ? 'touchend' : 'mouseup',
- MOVE: L.Browser.touch ? 'touchmove' : 'mousemove',
- TAP_TOLERANCE: 15
- },
-
- initialize: function(element, dragStartTarget) {
- this._element = element;
- this._dragStartTarget = dragStartTarget || element;
- },
-
- enable: function() {
- if (this._enabled) { return; }
- L.DomEvent.addListener(this._dragStartTarget, L.Draggable.START, this._onDown, this);
- this._enabled = true;
- },
-
- disable: function() {
- if (!this._enabled) { return; }
- L.DomEvent.removeListener(this._dragStartTarget, L.Draggable.START, this._onDown);
- this._enabled = false;
- },
-
- _onDown: function(e) {
- if (e.shiftKey || ((e.which != 1) && (e.button != 1) && !e.touches)) { return; }
-
- if (e.touches && e.touches.length > 1) { return; }
-
- var first = (e.touches && e.touches.length == 1 ? e.touches[0] : e);
-
- L.DomEvent.preventDefault(e);
-
- if (L.Browser.mobileWebkit) {
- first.target.className += ' leaflet-active';
- }
-
- this._moved = false;
-
- L.DomUtil.disableTextSelection();
- this._setMovingCursor();
-
- this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
- this._startPoint = new L.Point(first.clientX, first.clientY);
-
- L.DomEvent.addListener(document, L.Draggable.MOVE, this._onMove, this);
- L.DomEvent.addListener(document, L.Draggable.END, this._onUp, this);
- },
-
- _onMove: function(e) {
- if (e.touches && e.touches.length > 1) { return; }
-
- L.DomEvent.preventDefault(e);
-
- var first = (e.touches && e.touches.length == 1 ? e.touches[0] : e);
-
- if (!this._moved) {
- this.fire('dragstart');
- this._moved = true;
- }
-
- var newPoint = new L.Point(first.clientX, first.clientY);
- this._newPos = this._startPos.add(newPoint).subtract(this._startPoint);
-
- L.Util.requestAnimFrame(this._updatePosition, this, true);
-
- this.fire('drag');
- },
-
- _updatePosition: function() {
- L.DomUtil.setPosition(this._element, this._newPos);
- },
-
- _onUp: function(e) {
- if (e.changedTouches) {
- var first = e.changedTouches[0],
- el = first.target,
- dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
-
- el.className = el.className.replace(' leaflet-active', '');
-
- if (dist < L.Draggable.TAP_TOLERANCE) {
- this._simulateEvent('click', first);
- }
- }
-
- L.DomUtil.enableTextSelection();
-
- this._restoreCursor();
-
- L.DomEvent.removeListener(document, L.Draggable.MOVE, this._onMove);
- L.DomEvent.removeListener(document, L.Draggable.END, this._onUp);
-
- if (this._moved) {
- this.fire('dragend');
- }
- },
-
- _removeActiveClass: function(el) {
- },
-
- _setMovingCursor: function() {
- this._bodyCursor = document.body.style.cursor;
- document.body.style.cursor = 'move';
- },
-
- _restoreCursor: function() {
- document.body.style.cursor = this._bodyCursor;
- },
-
- _simulateEvent: function(type, e) {
- var simulatedEvent = document.createEvent('MouseEvent');
-
- simulatedEvent.initMouseEvent(
- type, true, true, window, 1,
- e.screenX, e.screenY,
- e.clientX, e.clientY,
- false, false, false, false, 0, null);
-
- e.target.dispatchEvent(simulatedEvent);
- }
-});
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