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Make keyboard zoom delta configurable

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This commit is contained in:
Tom Payne
2013-03-07 19:24:00 +01:00
parent 1f510d893f
commit c46f1425a0
2 changed files with 16 additions and 2 deletions
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3
src/objectliterals.exports
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@@ -81,6 +81,9 @@
@exportObjectLiteralProperty ol.interaction.DefaultOptions.touchRotate boolean|undefined
@exportObjectLiteralProperty ol.interaction.DefaultOptions.touchZoom boolean|undefined
@exportObjectLiteral ol.interaction.KeyboardZoomOptions
@exportObjectLiteralProperty ol.interaction.KeyboardZoomOptions.delta number|undefined
@exportObjectLiteral ol.layer.LayerOptions
@exportObjectLiteralProperty ol.layer.LayerOptions.brightness number|undefined
@exportObjectLiteralProperty ol.layer.LayerOptions.contrast number|undefined

15
src/ol/interaction/keyboardzoominteraction.js
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@@ -16,10 +16,21 @@ ol.interaction.KEYBOARD_ZOOM_DURATION = 100;
/**
* @constructor
* @param {ol.interaction.KeyboardZoomOptions=} opt_options Options.
* @extends {ol.interaction.Interaction}
*/
ol.interaction.KeyboardZoom = function() {
ol.interaction.KeyboardZoom = function(opt_options) {
goog.base(this);
var options = goog.isDef(opt_options) ? opt_options : {};
/**
* @private
* @type {number}
*/
this.delta_ = goog.isDef(options.delta) ? options.delta : 1;
};
goog.inherits(ol.interaction.KeyboardZoom, ol.interaction.Interaction);
@@ -35,7 +46,7 @@ ol.interaction.KeyboardZoom.prototype.handleMapBrowserEvent =
var charCode = keyEvent.charCode;
if (charCode == '+'.charCodeAt(0) || charCode == '-'.charCodeAt(0)) {
var map = mapBrowserEvent.map;
var delta = (charCode == '+'.charCodeAt(0)) ? 4 : -4;
var delta = (charCode == '+'.charCodeAt(0)) ? this.delta_ : -this.delta_;
map.requestRenderFrame();
// FIXME works for View2D only
var view = map.getView();