adfe20dd12
- boxstart/boxend events are dispatched, - behavior is removed, - geometry drawn by box render is a simple polygon instead of one with hole.
59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
goog.provide('ol.interaction.DragZoom');
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goog.require('goog.asserts');
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goog.require('ol.events.condition');
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goog.require('ol.interaction.DragBox');
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goog.require('ol.style.Stroke');
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goog.require('ol.style.Style');
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/**
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* Allows the user to zoom the map by clicking and dragging on the map,
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* normally combined with an {@link ol.events.condition} that limits
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* it to when the shift key is held down.
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* @constructor
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* @extends {ol.interaction.DragBox}
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* @param {olx.interaction.DragZoomOptions=} opt_options Options.
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* @todo stability experimental
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*/
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ol.interaction.DragZoom = function(opt_options) {
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var options = goog.isDef(opt_options) ? opt_options : {};
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var condition = goog.isDef(options.condition) ?
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options.condition : ol.events.condition.shiftKeyOnly;
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/**
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* @private
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* @type {ol.style.Style}
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*/
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var style = goog.isDef(options.style) ?
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options.style : new ol.style.Style({
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stroke: new ol.style.Stroke({
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color: 'blue'
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})
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});
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goog.base(this, {
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condition: condition,
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style: style
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});
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};
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goog.inherits(ol.interaction.DragZoom, ol.interaction.DragBox);
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/**
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* @inheritDoc
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*/
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ol.interaction.DragZoom.prototype.onBoxEnd = function() {
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this.getMap().withFrozenRendering(goog.bind(function() {
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// FIXME works for View2D only
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var view = this.getMap().getView().getView2D();
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view.fitExtent(this.getGeometry().getExtent(), this.getMap().getSize());
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// FIXME we should preserve rotation
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view.setRotation(0);
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}, this));
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};
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