package com.onpositive.gae.tools;
import java.util.Set;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jdt.core.IJavaModel;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
import org.eclipse.jdt.ui.JavaElementComparator;
import org.eclipse.jdt.ui.JavaElementLabelProvider;
import org.eclipse.jdt.ui.StandardJavaElementContentProvider;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.SelectionStatusDialog;
public class ProjectSelectionDialog extends SelectionStatusDialog {
// the visual selection widget group
private TableViewer fTableViewer;
private Set fProjectsWithSpecifics;
// sizing constants
private final static int SIZING_SELECTION_WIDGET_HEIGHT= 250;
private final static int SIZING_SELECTION_WIDGET_WIDTH= 300;
private final static String DIALOG_SETTINGS_SHOW_ALL= "ProjectSelectionDialog.show_all"; //$NON-NLS-1$
private ViewerFilter fFilter;
private String description;
private String title;
public ProjectSelectionDialog(Shell parentShell, Set projectsWithSpecifics,String title,String description) {
super(parentShell);
fProjectsWithSpecifics= projectsWithSpecifics;
this.title=title;
this.description=description;
setMessage(description);
fFilter= new ViewerFilter() {
public boolean select(Viewer viewer, Object parentElement, Object element) {
return fProjectsWithSpecifics.contains(element);
}
};
}
/* (non-Javadoc)
* Method declared on Dialog.
*/
protected Control createDialogArea(Composite parent) {
// page group
Composite composite= (Composite) super.createDialogArea(parent);
Font font= parent.getFont();
composite.setFont(font);
createMessageArea(composite);
setMessage(description);
getShell().setText(title);
fTableViewer= new TableViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
fTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
doSelectionChanged(((IStructuredSelection) event.getSelection()).toArray());
}
});
fTableViewer.addDoubleClickListener(new IDoubleClickListener() {
public void doubleClick(DoubleClickEvent event) {
okPressed();
}
});
GridData data= new GridData(SWT.FILL, SWT.FILL, true, true);
data.heightHint= SIZING_SELECTION_WIDGET_HEIGHT;
data.widthHint= SIZING_SELECTION_WIDGET_WIDTH;
fTableViewer.getTable().setLayoutData(data);
fTableViewer.setLabelProvider(new JavaElementLabelProvider());
fTableViewer.setContentProvider(new StandardJavaElementContentProvider());
fTableViewer.setComparator(new JavaElementComparator());
fTableViewer.getControl().setFont(font);
// Button checkbox= new Button(composite, SWT.CHECK);
// checkbox.setText(PreferencesMessages.ProjectSelectionDialog_filter);
// checkbox.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, true, false));
// checkbox.addSelectionListener(new SelectionListener() {
// public void widgetSelected(SelectionEvent e) {
// updateFilter(((Button) e.widget).getSelection());
// }
// public void widgetDefaultSelected(SelectionEvent e) {
// updateFilter(((Button) e.widget).getSelection());
// }
// });
// IDialogSettings dialogSettings= JavaPlugin.getDefault().getDialogSettings();
// boolean doFilter= !dialogSettings.getBoolean(DIALOG_SETTINGS_SHOW_ALL) && !fProjectsWithSpecifics.isEmpty();
// //checkbox.setSelection(doFilter);
updateFilter(true);
IJavaModel input= JavaCore.create(ResourcesPlugin.getWorkspace().getRoot());
fTableViewer.setInput(input);
doSelectionChanged(new Object[0]);
Dialog.applyDialogFont(composite);
return composite;
}
protected void updateFilter(boolean selected) {
if (selected) {
fTableViewer.addFilter(fFilter);
} else {
fTableViewer.removeFilter(fFilter);
}
JavaPlugin.getDefault().getDialogSettings().put(DIALOG_SETTINGS_SHOW_ALL, !selected);
}
private void doSelectionChanged(Object[] objects) {
if (objects.length != 1) {
updateStatus(new StatusInfo(IStatus.ERROR, "")); //$NON-NLS-1$
setSelectionResult(null);
} else {
updateStatus(new StatusInfo());
setSelectionResult(objects);
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.dialogs.SelectionStatusDialog#computeResult()
*/
protected void computeResult() {
}
}