315c42f0a7
sed command used: find src/ol -name '*.js' -exec sed -ri 's/\{ol(\.(\w|\.)+Options\=?\})/{olx\1/' \{\} \;
74 lines
2.0 KiB
JavaScript
74 lines
2.0 KiB
JavaScript
// FIXME works for View2D only
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goog.provide('ol.interaction.KeyboardZoom');
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goog.require('goog.asserts');
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goog.require('goog.events.KeyHandler.EventType');
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goog.require('ol.events.ConditionType');
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goog.require('ol.events.condition');
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goog.require('ol.interaction.Interaction');
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/**
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* Allows the user to zoom the map using keyboard + and -.
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* @constructor
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* @param {olx.interaction.KeyboardZoomOptions=} opt_options Options.
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* @extends {ol.interaction.Interaction}
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* @todo stability experimental
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*/
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ol.interaction.KeyboardZoom = function(opt_options) {
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goog.base(this);
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var options = goog.isDef(opt_options) ? opt_options : {};
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/**
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* @private
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* @type {ol.events.ConditionType}
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*/
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this.condition_ = goog.isDef(options.condition) ? options.condition :
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ol.events.condition.targetNotEditable;
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/**
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* @private
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* @type {number}
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*/
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this.delta_ = goog.isDef(options.delta) ? options.delta : 1;
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/**
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* @private
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* @type {number}
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*/
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this.duration_ = goog.isDef(options.duration) ? options.duration : 100;
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};
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goog.inherits(ol.interaction.KeyboardZoom, ol.interaction.Interaction);
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/**
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* @inheritDoc
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*/
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ol.interaction.KeyboardZoom.prototype.handleMapBrowserEvent =
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function(mapBrowserEvent) {
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var stopEvent = false;
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if (mapBrowserEvent.type == goog.events.KeyHandler.EventType.KEY) {
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var keyEvent = /** @type {goog.events.KeyEvent} */
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(mapBrowserEvent.browserEvent);
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var charCode = keyEvent.charCode;
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if (this.condition_(mapBrowserEvent) &&
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(charCode == '+'.charCodeAt(0) || charCode == '-'.charCodeAt(0))) {
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var map = mapBrowserEvent.map;
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var delta = (charCode == '+'.charCodeAt(0)) ? this.delta_ : -this.delta_;
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map.requestRenderFrame();
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// FIXME works for View2D only
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var view = map.getView().getView2D();
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ol.interaction.Interaction.zoomByDelta(
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map, view, delta, undefined, this.duration_);
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mapBrowserEvent.preventDefault();
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stopEvent = true;
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}
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}
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return !stopEvent;
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};
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