zoomtoscaletaskinfo.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.tasks.navigation.scale;

import com.esri.adf.web.data.tasks.TabularLayout;
import com.esri.adf.web.data.tasks.TabularPosition;
import com.esri.adf.web.data.tasks.TaskActionDescriptor;
import com.esri.adf.web.data.tasks.TaskParamDescriptor;
import com.esri.adf.web.data.tasks.TaskToolDescriptor;
import com.esri.solutions.jitk.common.resources.TextResources;
import com.esri.solutions.jitk.web.tasks.RenderAwareTaskDescription;
import com.esri.solutions.jitk.web.tasks.RenderControlledTaskInfo;

public class ZoomToScaleTaskInfo extends RenderControlledTaskInfo {
	private static final long serialVersionUID = 3208323861814159512L;

	private ZoomToScaleTask _task;
	
	public ZoomToScaleTaskInfo(ZoomToScaleTask task) {
		super();
		this._task = task;
		
		this._paramDescriptors = new TaskParamDescriptor[5];
		this._actionDescriptors = new TaskActionDescriptor[1];		
		this._toolDescriptors = new TaskToolDescriptor[0];
		this._tabularLayout = new TabularLayout[1];
		this._taskDescriptor = new RenderAwareTaskDescription(ZoomToScaleTask.class, TextResources.getResourceString(ResourceProps.TASK_WINDOW_TITLE), TextResources.getResourceString(ResourceProps.TASK_WINDOW_TITLE));
		
		this._tabularLayout[0] = new TabularLayout();
		this._tabularLayout[0].setId("Scale Map");
		
		this._paramDescriptors[0] = new TaskParamDescriptor(ZoomToScaleTask.class, "mapScales",TextResources.getResourceString(ResourceProps.LABEL_PREDEFINED_SCALE), "getMapScaleSel", "setMapScaleSel", "getMapScales",false);								   
		   
		this._paramDescriptors[0].setRendererType(TaskParamDescriptor.SELECT_RENDERER_TYPE);
		this._tabularLayout[0].addComponent(this._paramDescriptors[0], new TabularPosition(1, 0, 1, 1));
				
		this._paramDescriptors[1] = new TaskParamDescriptor(ZoomToScaleTask.class, "mapScaleTxt", TextResources.getResourceString(ResourceProps.LABEL_MAP_SCALE));
		this._tabularLayout[0].addComponent(this._paramDescriptors[1], new TabularPosition(2, 0, 1, 1));																					   
		
		this._actionDescriptors[0] = new TaskActionDescriptor(ZoomToScaleTask.class, "scale", TextResources.getResourceString(ResourceProps.BUTTON_ZOOM));		
		this._actionDescriptors[0].setToolTip(TextResources.getResourceString(ResourceProps.BUTTON_ZOOM));
		this._actionDescriptors[0].setRendererType(TaskToolDescriptor.TEXT_RENDERER_TYPE);
		this._tabularLayout[0].addComponent(this._actionDescriptors[0], new TabularPosition(3, 1, 1, 1));
	
		this._paramDescriptors[2] = new TaskParamDescriptor(ZoomToScaleTask.class, "errMessage", TextResources.getResourceString(ResourceProps.ERROR_GENERAL));
		this._paramDescriptors[3] = new TaskParamDescriptor (ZoomToScaleTask.class, "errOccurred", TextResources.getResourceString(ResourceProps.ERROR_GENERAL));
		
		this._paramDescriptors[4] = new TaskParamDescriptor(ZoomToScaleTask.class, "footerNote", TextResources.getResourceString(ResourceProps.FOOTER_NOTE));
		
		startState();	
	}

	public void startState() {		
		_paramDescriptors[3].setDisabled(true); 
		_paramDescriptors[3].setParamValue(_task, "false");
		
		_paramDescriptors[2].setParamValue(_task, "");
		
		_task.setErrOccurred(false);						
		_task.setErrMessage("");		
	}
}