mirror of https://github.com/keeweb/keeweb.git
66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
const Backbone = require('backbone');
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const DragView = Backbone.View.extend({
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events: {
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'mousedown': 'mousedown'
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},
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initialize: function(coord) {
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this.setCoord(coord);
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this.mouseDownTime = -1;
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this.mouseDownCount = 0;
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},
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setCoord: function(coord) {
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this.coord = coord;
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this.offsetProp = 'page' + coord.toUpperCase();
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},
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render: function() {
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$('<div/>')
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.addClass('drag-handle__inner')
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.appendTo(this.$el);
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},
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mousedown: function(e) {
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if (e.which === 1) {
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const now = Date.now();
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if (now - this.mouseDownTime < 500) {
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this.mouseDownCount++;
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if (this.mouseDownCount === 2) {
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this.trigger('autosize', { coord: this.coord });
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return;
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}
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} else {
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this.mouseDownTime = now;
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this.mouseDownCount = 1;
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}
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this.initialOffset = e[this.offsetProp];
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const cursor = this.$el.css('cursor');
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this.dragMask = $('<div/>', { 'class': 'drag-mask' })
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.css('cursor', cursor)
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.appendTo('body');
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this.dragMask.on('mousemove', this.mousemove.bind(this));
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this.dragMask.on('mouseup', this.mouseup.bind(this));
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this.trigger('dragstart', { offset: this.initialOffset, coord: this.coord });
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this.$el.addClass('dragging');
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e.preventDefault();
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}
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},
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mousemove: function(e) {
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if (e.which === 0) {
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this.mouseup();
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} else {
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this.trigger('drag', { offset: e[this.offsetProp] - this.initialOffset });
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}
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},
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mouseup: function() {
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this.dragMask.remove();
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this.$el.removeClass('dragging');
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}
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});
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module.exports = DragView;
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