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authorMatthew Somerville <matthew@mysociety.org>2011-11-15 12:47:56 +0000
committerMatthew Somerville <matthew@mysociety.org>2011-11-15 12:47:56 +0000
commit375610803cfcad104049ff895c77c53e6767e1e7 (patch)
tree15a301669d671062503b309a5c96d457284d9639
parent9e11f8d1d04d021869c102610a84c753105f719d (diff)
Include PinchZoom control in OpenLayers build, as Navigation doesn't mandate it.
-rw-r--r--data/openlayers.fixmystreet.cfg1
-rw-r--r--web/js/OpenLayers.fixmystreet.js10
2 files changed, 10 insertions, 1 deletions
diff --git a/data/openlayers.fixmystreet.cfg b/data/openlayers.fixmystreet.cfg
index c2c06a9ed..faeb3ed50 100644
--- a/data/openlayers.fixmystreet.cfg
+++ b/data/openlayers.fixmystreet.cfg
@@ -16,6 +16,7 @@ OpenLayers/Control/Attribution.js
OpenLayers/Control/DragFeature.js
OpenLayers/Control/Navigation.js
OpenLayers/Control/PanZoom.js
+OpenLayers/Control/PinchZoom.js
OpenLayers/Control/Permalink.js
OpenLayers/Control/SelectFeature.js
OpenLayers/Format/JSON.js
diff --git a/web/js/OpenLayers.fixmystreet.js b/web/js/OpenLayers.fixmystreet.js
index 9616df8b6..eab691def 100644
--- a/web/js/OpenLayers.fixmystreet.js
+++ b/web/js/OpenLayers.fixmystreet.js
@@ -1100,7 +1100,15 @@ return true;}
return false;},deactivate:function(){var deactivated=OpenLayers.Strategy.prototype.deactivate.call(this);if(deactivated){this.layer.events.un({"refresh":this.load,"visibilitychanged":this.load,scope:this});}
return deactivated;},load:function(options){var layer=this.layer;layer.events.triggerEvent("loadstart");layer.protocol.read(OpenLayers.Util.applyDefaults({callback:OpenLayers.Function.bind(this.merge,this,layer.map.getProjectionObject()),filter:layer.filter},options));layer.events.un({"visibilitychanged":this.load,scope:this});},merge:function(mapProjection,resp){var layer=this.layer;layer.destroyFeatures();var features=resp.features;if(features&&features.length>0){if(!mapProjection.equals(layer.projection)){var geom;for(var i=0,len=features.length;i<len;++i){geom=features[i].geometry;if(geom){geom.transform(layer.projection,mapProjection);}}}
layer.addFeatures(features);}
-layer.events.triggerEvent("loadend");},CLASS_NAME:"OpenLayers.Strategy.Fixed"});OpenLayers.Date={toISOString:(function(){if("toISOString"in Date.prototype){return function(date){return date.toISOString();};}else{function pad(num,len){var str=num+"";while(str.length<len){str="0"+str;}
+layer.events.triggerEvent("loadend");},CLASS_NAME:"OpenLayers.Strategy.Fixed"});OpenLayers.Handler.Pinch=OpenLayers.Class(OpenLayers.Handler,{started:false,stopDown:false,pinching:false,last:null,start:null,initialize:function(control,callbacks,options){OpenLayers.Handler.prototype.initialize.apply(this,arguments);},touchstart:function(evt){var propagate=true;this.pinching=false;if(OpenLayers.Event.isMultiTouch(evt)){this.started=true;this.last=this.start={distance:this.getDistance(evt.touches),delta:0,scale:1};this.callback("start",[evt,this.start]);propagate=!this.stopDown;}else{this.started=false;this.start=null;this.last=null;}
+OpenLayers.Event.stop(evt);return propagate;},touchmove:function(evt){if(this.started&&OpenLayers.Event.isMultiTouch(evt)){this.pinching=true;var current=this.getPinchData(evt);this.callback("move",[evt,current]);this.last=current;OpenLayers.Event.stop(evt);}
+return true;},touchend:function(evt){if(this.started){this.started=false;this.pinching=false;this.callback("done",[evt,this.start,this.last]);this.start=null;this.last=null;}
+return true;},activate:function(){var activated=false;if(OpenLayers.Handler.prototype.activate.apply(this,arguments)){this.pinching=false;activated=true;}
+return activated;},deactivate:function(){var deactivated=false;if(OpenLayers.Handler.prototype.deactivate.apply(this,arguments)){this.started=false;this.pinching=false;this.start=null;this.last=null;deactivated=true;}
+return deactivated;},getDistance:function(touches){var t0=touches[0];var t1=touches[1];return Math.sqrt(Math.pow(t0.clientX-t1.clientX,2)+
+Math.pow(t0.clientY-t1.clientY,2));},getPinchData:function(evt){var distance=this.getDistance(evt.touches);var scale=distance/this.start.distance;return{distance:distance,delta:this.last.distance-distance,scale:scale};},CLASS_NAME:"OpenLayers.Handler.Pinch"});OpenLayers.Control.PinchZoom=OpenLayers.Class(OpenLayers.Control,{type:OpenLayers.Control.TYPE_TOOL,containerOrigin:null,pinchOrigin:null,currentCenter:null,autoActivate:true,initialize:function(options){OpenLayers.Control.prototype.initialize.apply(this,arguments);this.handler=new OpenLayers.Handler.Pinch(this,{start:this.pinchStart,move:this.pinchMove,done:this.pinchDone},this.handlerOptions);},activate:function(){var activated=OpenLayers.Control.prototype.activate.apply(this,arguments);if(activated){this.map.events.on({moveend:this.updateContainerOrigin,scope:this});this.updateContainerOrigin();}
+return activated;},deactivate:function(){var deactivated=OpenLayers.Control.prototype.deactivate.apply(this,arguments);if(this.map&&this.map.events){this.map.events.un({moveend:this.updateContainerOrigin,scope:this});}
+return deactivated;},updateContainerOrigin:function(){var container=this.map.layerContainerDiv;this.containerOrigin={x:parseInt(container.style.left,10),y:parseInt(container.style.top,10)};},pinchStart:function(evt,pinchData){this.pinchOrigin=evt.xy;this.currentCenter=evt.xy;},pinchMove:function(evt,pinchData){var scale=pinchData.scale;var containerOrigin=this.containerOrigin;var pinchOrigin=this.pinchOrigin;var current=evt.xy;var dx=Math.round((current.x-pinchOrigin.x)+(scale-1)*(containerOrigin.x-pinchOrigin.x));var dy=Math.round((current.y-pinchOrigin.y)+(scale-1)*(containerOrigin.y-pinchOrigin.y));this.applyTransform("translate("+dx+"px, "+dy+"px) scale("+scale+")");this.currentCenter=current;},applyTransform:function(transform){var style=this.map.layerContainerDiv.style;style['-webkit-transform']=transform;style['-moz-transform']=transform;},pinchDone:function(evt,start,last){this.applyTransform("");var zoom=this.map.getZoomForResolution(this.map.getResolution()/last.scale,true);if(zoom!==this.map.getZoom()||!this.currentCenter.equals(this.pinchOrigin)){var resolution=this.map.getResolutionForZoom(zoom);var location=this.map.getLonLatFromPixel(this.pinchOrigin);var zoomPixel=this.currentCenter;var size=this.map.getSize();location.lon+=resolution*((size.w/2)-zoomPixel.x);location.lat-=resolution*((size.h/2)-zoomPixel.y);this.map.setCenter(location,zoom);}},CLASS_NAME:"OpenLayers.Control.PinchZoom"});OpenLayers.Date={toISOString:(function(){if("toISOString"in Date.prototype){return function(date){return date.toISOString();};}else{function pad(num,len){var str=num+"";while(str.length<len){str="0"+str;}
return str;}
return function(date){var str;if(isNaN(date.getTime())){str="Invalid Date";}else{str=date.getUTCFullYear()+"-"+
pad(date.getUTCMonth()+1,2)+"-"+