dd0b86b6d9
git-svn-id: http://svn.openlayers.org/tags/openlayers/release-2.5-rc1@4347 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
107 lines
2.9 KiB
JavaScript
107 lines
2.9 KiB
JavaScript
/* Copyright (c) 2006-2007 MetaCarta, Inc., published under the BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/release-license.txt
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* for the full text of the license. */
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/**
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* @requires OpenLayers/Control.js
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* @requires OpenLayers/Handler/Keyboard.js
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*
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* Class: OpenLayers.Control.KeyboardDefaults
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*
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* Inherits from:
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* - <OpenLayers.Control>
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*/
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OpenLayers.Control.KeyboardDefaults = OpenLayers.Class(OpenLayers.Control, {
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/**
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* APIProperty: slideFactor
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* Pixels to slide by.
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*/
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slideFactor: 75,
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/**
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* Constructor: OpenLayers.Control.KeyboardDefaults
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*/
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initialize: function() {
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OpenLayers.Control.prototype.initialize.apply(this, arguments);
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},
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/**
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* APIMethod: destroy
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*/
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destroy: function() {
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if (this.handler) {
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this.handler.destroy();
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}
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this.handler = null;
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OpenLayers.Control.prototype.destroy.apply(this, arguments);
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},
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/**
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* Method: draw
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* Create handler.
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*/
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draw: function() {
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this.handler = new OpenLayers.Handler.Keyboard( this, {
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"keypress": this.defaultKeyPress });
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this.activate();
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},
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/**
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* Method: defaultKeyPress
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*
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* Parameters:
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* code - {Integer}
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*/
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defaultKeyPress: function (code) {
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switch(code) {
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case OpenLayers.Event.KEY_LEFT:
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this.map.pan(-this.slideFactor, 0);
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break;
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case OpenLayers.Event.KEY_RIGHT:
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this.map.pan(this.slideFactor, 0);
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break;
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case OpenLayers.Event.KEY_UP:
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this.map.pan(0, -this.slideFactor);
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break;
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case OpenLayers.Event.KEY_DOWN:
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this.map.pan(0, this.slideFactor);
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break;
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case 33: // Page Up
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var size = this.map.getSize();
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this.map.pan(0, -0.75*size.h);
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break;
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case 34: // Page Down
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var size = this.map.getSize();
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this.map.pan(0, 0.75*size.h);
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break;
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case 35: // End
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var size = this.map.getSize();
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this.map.pan(0.75*size.w, 0);
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break;
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case 36: // Pos1
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var size = this.map.getSize();
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this.map.pan(-0.75*size.w, 0);
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break;
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case 43: // +
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this.map.zoomIn();
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break;
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case 45: // -
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this.map.zoomOut();
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break;
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case 107: // + (IE only)
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this.map.zoomIn();
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break;
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case 109: // - (IE only)
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this.map.zoomOut();
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break;
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}
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},
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CLASS_NAME: "OpenLayers.Control.KeyboardDefaults"
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});
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