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<source lang=java>
package ecl.team2.lab3.weathermodel;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.Random;
public class Weather {
private float windspeedInKM;
private char windDirection;
private PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);
public Weather()
{
}
public Weather(String cit)
{
city=cit;
Random randomGenerator = new Random();
tempInCelcius = randomGenerator.nextFloat()+35;
rainInMM = randomGenerator.nextFloat()+10;
snowInMM = randomGenerator.nextFloat()+10;
windspeedInKM = randomGenerator.nextFloat()+50;
int r = randomGenerator.nextInt(4);
switch(r){
case 0:
windDirection = 'E';
break;
case 1:
windDirection = 'W';
break;
case 2:
windDirection = 'N';
break;
case 3:
windDirection = 'S';
break;
}
}
public Weather(String pcity, float ptemp, float prain, float psnow, float pwspeed, char pwdirection){
public void setWindDirection(char windDirection) {
propertyChangeSupport.firePropertyChange("", this.windDirection, this.windDirection = windDirection);
}
public void setWindspeedInKM(float windspeedInKM) {
propertyChangeSupport.firePropertyChange("", this.windspeedInKM, this.windspeedInKM = windspeedInKM);
}
public void setSnowInMM(float snowInMM) {
propertyChangeSupport.firePropertyChange("", this.snowInMM, this.snowInMM = snowInMM);
}
public void setRainInMM(float rainInMM) {
propertyChangeSupport.firePropertyChange("", this.rainInMM, this.rainInMM = rainInMM);
}
public void setTempInCelcius(float tempInCelcius) {
propertyChangeSupport.firePropertyChange("", this.tempInCelcius, this.tempInCelcius = tempInCelcius);
}
public void setCity(String city) {
propertyChangeSupport.firePropertyChange("", this.city, this.city = city);
}
public String getCity() {
return city;
}
public void addPropertyChangeListener(String name, PropertyChangeListener listener)
{
propertyChangeSupport.addPropertyChangeListener(name,listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener)
{
propertyChangeSupport.addPropertyChangeListener(listener);
}
winddirection = 'S';
break;
}
this.weathers.add(w);
System.out.println(w.toString());
}
public void removeCity(String oCity)
{
this.weathers.remove(oCity);
}
For AddCityHandler.java
<source lang=java>
package ecl.team2.lab3.commands;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.handlers.HandlerUtil;
//This will allow us to edit the content using the editor window
import ecl.team2.lab3.editor.WeatherEditor;
import ecl.team2.lab3.editor.WeatherInput;
public class AddCityHandler extends AbstractHandler implements IHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
IWorkbenchPage page = window.getActivePage();
WeatherInput input = new WeatherInput("-1");
try
{
page.openEditor(input, WeatherEditor.ID);
}
catch (PartInitException e)
{
System.out.println(e.getMessage());
}
return null;
}
}
</source>
<br/>
<br/>
'''RemoveCityHandler'''
For Commmand
<pre>
id: ecl.team2.lab3.rcpExample.RemoveCity
name: Add City
defaultHandler: ecl.team2.lab3.commands.RemoveCityHandler
</pre>
For Menu Command
<pre>
commandId: ecl.team2.lab3.rcpExample.RemoveCity
label: Remove City
tooltip: Removes a city or multiple cities based on selection
</pre>
For RemoveCityHandler.java<source lang=java>package ecl.team2.lab3.commands; import java.util.ArrayList;import java.util.Iterator; import org.eclipse.core.commands.AbstractHandler;import org.eclipse.core.commands.ExecutionEvent;import org.eclipse.core.commands.ExecutionException;import org.eclipse.core.commands.IHandler;import org.eclipse.jface.viewers.ISelection;import org.eclipse.jface.viewers.IStructuredSelection;import org.eclipse.ui.IWorkbenchPage;import org.eclipse.ui.IWorkbenchWindow;import org.eclipse.ui.handlers.HandlerUtil; import ecl.team2.lab3.rcpexample.WeatherView;import ecl.team2.lab3.weathermodel.*; public class RemoveCityHandler extends AbstractHandler implements IHandler { @Override public Object execute(ExecutionEvent event) throws ExecutionException { IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event); IWorkbenchPage page = window.getActivePage(); WeatherView view = (WeatherView) page.findView(WeatherView.ID); ISelection select = view.getSite().getSelectionProvider().getSelection(); if(select!=null && select instanceof IStructuredSelection) { IStructuredSelection sel = (IStructuredSelection)select; for(Iterator<Weather> iter = sel.iterator(); iter.hasNext();) { Weather temp = iter.next(); SimpleWeatherSystem.INSTANCE.removeCity(temp.getCity()); } view.getViewer().refresh(); } return null; } }<br/source>
<br/>
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