mirror of https://github.com/keeweb/keeweb.git
70 lines
2.1 KiB
JavaScript
70 lines
2.1 KiB
JavaScript
import Backbone from 'backbone';
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const Resizable = {
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listenDrag(dragView) {
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this.listenTo(dragView, 'dragstart', this.dragStart);
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this.listenTo(dragView, 'drag', this.drag);
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this.listenTo(dragView, 'autosize', this.autoSize);
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},
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dragStart(e) {
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this._dragInfo = this.getDragInfo(e.coord);
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},
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drag(e) {
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const dragInfo = this._dragInfo;
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let size = dragInfo.startSize + e.offset;
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size = Math.max(dragInfo.min, Math.min(dragInfo.max, size));
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this.$el[dragInfo.prop](size);
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this.emit('view-resize', size);
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Backbone.trigger('page-geometry', { source: 'resizable' });
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},
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autoSize(e) {
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const dragInfo = this.getDragInfo(e.coord);
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if (dragInfo.auto !== undefined) {
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this.$el.css(dragInfo.prop, dragInfo.auto);
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} else {
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this.$el.css(dragInfo.prop, 'auto');
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}
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this.fixSize(dragInfo);
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this.emit('view-resize', null);
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Backbone.trigger('page-geometry', { source: 'resizable' });
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},
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fixSize(cfg) {
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const size = this.$el[cfg.prop]();
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const newSize = Math.max(cfg.min, Math.min(cfg.max, size));
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if (newSize !== size) {
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this.$el[cfg.prop](size);
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}
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},
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// TODO: check size on window resize
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// checkSize: function() {
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// if (this.maxWidth) {
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// this.fixSize(this.getDragInfo('x'));
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// }
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// if (this.maxHeight) {
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// this.fixSize(this.getDragInfo('y'));
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// }
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// },
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getDragInfo(coord) {
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const prop = coord === 'x' ? 'Width' : 'Height';
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const propLower = prop.toLowerCase();
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const min = this.getSizeProp('min' + prop);
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const max = this.getSizeProp('max' + prop);
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const auto = this.getSizeProp('auto' + prop) || 'auto';
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const startSize = this.$el[propLower]();
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return { startSize, prop: propLower, min, max, auto };
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},
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getSizeProp(prop) {
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const member = this[prop];
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return typeof member === 'function' ? member.call(this) : member;
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}
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};
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export { Resizable };
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