📄 supermap.is.action.js
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//==========================================================================
// SuperMap IS 客户端程序,版权所有，北京超图地理信息技术有限公司，2000-2006。
// 本程序只能在有效的授权许可下使用。未经许可，不得以任何手段擅自使用或传播。
// 作者： SuperMap IS Team
// 修改：
// 文件名： SuperMap.IS.Action.js
// 功能： AjaxMap Action 相关接口
// 最后修改时间： 2006-05-23
//==========================================================================
SuperMap.IS.Action=function()
{
this.type="Action";
this.Init=function(mapControl){this.mapControl=mapControl;};
this.Destroy=function(){this.mapControl=null;};
this.OnClick=function(e){};
this.OnDblClick=function(e){};
this.OnMouseMove=function(e){};
this.OnMouseDown=function(e){};
this.OnMouseUp=function(e){};
this.OnContextMenu=function(e){};
}
SuperMap.IS.ZoomInAction=function()
{
this.type="ZoomInAction";
var mapDiv=null;
var zoomRect=null;
var _cx=0,_cy=0,_nx=0,_ny=0;
var originX=0;originY=0;
var actionStarted=false;
this.Init=function(mapControl){
this.mapControl=mapControl;
mapDiv=mapControl.mapDiv;
if(ygPos.browser=="ie"){mapControl.container.style.cursor="images/cursors/ZoomIn.cur";}else{mapControl.container.style.cursor="crosshair";};
zoomRect=$('zoomRect');
if(!zoomRect){
zoomRect=document.createElement("div");
zoomRect.className="zoomRect";
_Hide();
// _AddEvent(zoomRect,"onmouseup",_OnMouseUp);
mapDiv.appendChild(zoomRect);
}
};
this.Destroy=function(){/*_RemoveEvent(zoomRect,"onmouseup",_OnMouseUp);*/mapDiv.removeChild(zoomRect);mapDiv=null;this.mapControl=null;};
function _OnMouseDown(e){
actionStarted=true;
originX=e.pixelCoord.x-e.offsetCoord.x;originY=e.pixelCoord.y-e.offsetCoord.y;
_cx=_nx=e.offsetCoord.x;_cy=_ny=e.offsetCoord.y;
// _Draw(_cx,_cy,1,1);_Show();
}
function _OnMouseMove(e){
if(!actionStarted){return;}
_nx=e.offsetCoord.x;_ny=e.offsetCoord.y;
_Draw(_Min(_cx,_nx),_Min(_cy,_ny),_Max(1,_Abs(_nx-_cx)),_Max(1,_Abs(_ny-_cy)));_Show();
}
function _OnMouseUp(e){
actionStarted=false;
if(_Abs(_cx-_nx)>1&&_Abs(_cy-_ny)>1){
var param=this.mapControl.GetMapParam();
param.SetPixelRect(new SuperMap.IS.PixelRect(originX+_cx,originY+_cy,originX+_nx,originY+_ny));
this.mapControl.SetMapParam(param);
}
else{
this.mapControl.SetCenterAndZoom(e.mapCoord.x, e.mapCoord.y, this.mapControl.GetZoomLevel()+1);
}
_Hide();
}
function _Draw(x,y,width,height){_SetPosAndSize(zoomRect,x,y,width,height);}
function _SetPosAndSize(el,x,y,width,height){el.style.left=x+"px";el.style.top=y+"px";el.style.width=width+"px";el.style.height=height+"px";}
function _Show(){zoomRect.style.display="block";}
function _Hide(){zoomRect.style.display="none";}
this.OnMouseDown=_OnMouseDown;this.OnMouseMove=_OnMouseMove;this.OnMouseUp=_OnMouseUp;
}
SuperMap.IS.ZoomOutAction=function()
{
this.type="ZoomOutAction";
var mapDiv=null;
var zoomRect=null;
var _cx=0,_cy=0,_nx=0,_ny=0;
var originX=0;originY=0;
var actionStarted=false;
this.Init=function(mapControl){
this.mapControl=mapControl;
mapDiv=mapControl.mapDiv;
if(ygPos.browser=="ie"){mapControl.container.style.cursor="images/cursors/ZoomOut.cur";}else{mapControl.container.style.cursor="crosshair";};
zoomRect=$('zoomRect');
if(!zoomRect){
zoomRect=document.createElement("div");
zoomRect.className="zoomRect";
_Hide();
// _AddEvent(zoomRect,"onmouseup",_OnMouseUp);
mapDiv.appendChild(zoomRect);
}
};
this.Destroy=function(){/*_RemoveEvent(zoomRect,"onmouseup",_OnMouseUp);*/mapDiv.removeChild(zoomRect);mapDiv=null;this.mapControl=null;};
function _OnMouseDown(e){
actionStarted=true;
originX=e.pixelCoord.x-e.offsetCoord.x;originY=e.pixelCoord.y-e.offsetCoord.y;
_cx=_nx=e.offsetCoord.x;_cy=_ny=e.offsetCoord.y;
// _Draw(_cx,_cy,1,1);_Show();
}
function _OnMouseMove(e){
if(!actionStarted){return;}
_nx=e.offsetCoord.x;_ny=e.offsetCoord.y;
_Draw(_Min(_cx,_nx)+2,_Min(_cy,_ny)+2,_Max(5,_Abs(_nx-_cx))-4,_Max(5,_Abs(_ny-_cy))-4);_Show();
}
function _OnMouseUp(e){
actionStarted=false;
if(_Abs(_cx-_nx)>1&&_Abs(_cy-_ny)>1){
var param=this.mapControl.GetMapParam();
// width=curWidth*curWidth/rectWidth; height...
// center=rectCenter;
var tpr=new SuperMap.IS.PixelRect(originX+_cx,originY+_cy,originX+_nx,originY+_ny);
var pr=new SuperMap.IS.PixelRect();pr.Copy(tpr);
var mapSize=this.mapControl.GetSize();
var width=mapSize.Width()*mapSize.Width()/tpr.Width();
var height=mapSize.Height()*mapSize.Height()/tpr.Height();
pr.leftTop.x=tpr.leftTop.x-(width-tpr.Width())/2;pr.rightBottom.x=tpr.rightBottom.x+(width-tpr.Width())/2;
pr.leftTop.y=tpr.leftTop.y-(height-tpr.Height())/2;pr.rightBottom.y=tpr.rightBottom.y+(height-tpr.Height())/2;
param.SetPixelRect(pr);
this.mapControl.SetMapParam(param);
}
else{
this.mapControl.SetCenterAndZoom(e.mapCoord.x, e.mapCoord.y, this.mapControl.GetZoomLevel()-1);
}
_Hide();
}
function _Draw(x,y,width,height){_SetPosAndSize(zoomRect,x,y,width,height);}
function _SetPosAndSize(el,x,y,width,height){el.style.left=x+"px";el.style.top=y+"px";el.style.width=width+"px";el.style.height=height+"px";}
function _Show(){zoomRect.style.display="block";}
function _Hide(){zoomRect.style.display="none";}
this.OnMouseDown=_OnMouseDown;this.OnMouseMove=_OnMouseMove;this.OnMouseUp=_OnMouseUp;
}
SuperMap.IS.PanAction=function()
{
this.type="PanAction";
var actionStarted=false;
var lastMouseX,lastMouseY;
this.Init=function(mapControl){
this.mapControl=mapControl;
if(ygPos.browser=="ie"){mapControl.container.style.cursor="images/cursors/Pan.cur";}else{mapControl.container.style.cursor="move";};
};
this.Destroy=function(){this.mapControl=null;};
function _OnMouseDown(e){
actionStarted=true;
lastMouseX=_GetMouseX(e);lastMouseY=_GetMouseY(e);
if(this.mapControl.container.setCapture){this.mapControl.container.setCapture();}
}
function _OnMouseMove(e){
if(!actionStarted){return;}
var mouseX=_GetMouseX(e);var mouseY=_GetMouseY(e);
this.mapControl.Pan(lastMouseX-mouseX,lastMouseY-mouseY);
lastMouseX=mouseX;lastMouseY=mouseY;
}
function _OnMouseUp(e){
actionStarted=false;
this.mapControl.StopDynamicPan();
if(this.mapControl.container.releaseCapture){this.mapControl.container.releaseCapture();}
}
this.OnMouseDown=_OnMouseDown;this.OnMouseMove=_OnMouseMove;this.OnMouseUp=_OnMouseUp;
};
SuperMap.IS.DrawLineAction=function()
{
this.type="DrawLineAction";
var actionStarted=false;
var line=null;
var xs=new Array();
var ys=new Array();
this.Init=function(mapControl){
this.mapControl=mapControl;
if(ygPos.browser=="ie"){mapControl.container.style.cursor="images/cursors/PolygonQuery.cur";}else{mapControl.container.style.cursor="pointer";};
};
this.Destroy=function(){if(line){this.mapControl.CustomLayer.RemoveLine(line.id);line=null;}xs=null;ys=null;this.mapControl=null;};
function _OnClick(e){
xs.push(e.mapCoord.x);ys.push(e.mapCoord.y);
line=this.mapControl.CustomLayer.InsertLine("drawLine",xs,ys,3,"red");
}
function _OnContextMenu(e){
}
// this.OnMouseDown=_OnMouseDown;this.OnMouseMove=_OnMouseMove;this.OnMouseUp=_OnMouseUp;
this.OnClick=_OnClick;this.OnContextMenu=_OnContextMenu;
};
SuperMap.IS.PointQueryAction=function(layerNames,returnFields,tolerance)
{
this.type="PointQueryAction";
var _queryParam=null;
var _layerNames=layerNames;
var _returnFields=returnFields;
var _tolerance=tolerance;
this.Init=function(mapControl){
this.mapControl=mapControl;
if(ygPos.browser=="ie"){mapControl.container.style.cursor="images/cursors/PointQuery.cur";}else{mapControl.container.style.cursor="crosshair";};
if(!_tolerance){_tolerance=100;}
if(!_queryParam){
_queryParam=new SuperMap.IS.QueryParam();
if(!_returnFields){_returnFields=["smID","Name"];}
if(!_layerNames){
_queryParam.queryAllLayer=true;
_queryParam.returnFields=_returnFields;
}else{
_queryParam.queryLayers=new Array();
var tempLayerNames = _layerNames.concat();
while(tempLayerNames.length>0){
var ql=new SuperMap.IS.QueryLayer();
ql.layerName=tempLayerNames.pop();
ql.returnFields=_returnFields;
_queryParam.queryLayers.push(ql);
}
tempLayerNames=null;
}
_queryParam.expectCount = 20;
}
};
this.Destroy=function(){
this.mapControl=null;
// if(_queryParam){_queryParam.Destroy();}_queryParam=_returnFields=null;
};
this.OnClick=function(e){
this.mapControl.GetQueryManager().QueryByPoint(e.mapCoord, _tolerance, _queryParam);
};
this.OnDblClick=function(e){};
this.OnMouseMove=function(e){};
this.OnMouseDown=function(e){};
this.OnMouseUp=function(e){};
this.OnContextMenu=function(e){};
};
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