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abstract class for implementing a tab folder control

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block of ICOptionPages.
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David Inglis 2003-08-12 13:44:37 +00:00
parent 027d7aab46
commit dc9458bbc7
1 changed files with 163 additions and 0 deletions
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core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/TabFolderOptionBlock.java Normal file
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package org.eclipse.cdt.ui;
/***********************************************************************
* Copyright (c) 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v0.5
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v05.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
***********************************************************************/
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.cdt.utils.ui.controls.TabFolderLayout;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
public abstract class TabFolderOptionBlock {
private String fErrorMessage;
private boolean bIsValid;
private Label messageLabel;
private TabItem fCurrentItem;
private TabFolder folder;
private ArrayList tabs;
private ICOptionContainer fParent;
public TabFolderOptionBlock(ICOptionContainer parent) {
fParent = parent;
}
protected TabItem addTab(ICOptionPage tab) {
if (tabs == null) {
tabs = new ArrayList();
}
TabItem item = new TabItem(folder, SWT.NONE);
item.setText(tab.getLabel());
Image img = tab.getImage();
if (img != null)
item.setImage(img);
item.setData(tab);
tab.setContainer(fParent);
tab.createControl(folder);
item.setControl(tab.getControl());
tabs.add(tab);
return item;
}
public Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout(1, false));
messageLabel = new Label(composite, SWT.LEFT);
messageLabel.setFont(composite.getFont());
messageLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Label separator = new Label(composite, SWT.HORIZONTAL);
separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
folder = new TabFolder(composite, SWT.NONE);
folder.setLayoutData(new GridData(GridData.FILL_BOTH));
folder.setLayout(new TabFolderLayout());
fCurrentItem = addTabs();
folder.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent e) {
fCurrentItem = (TabItem) e.item;
fParent.updateContainer();
}
});
messageLabel.setText(((ICOptionPage) tabs.get(0)).getMessage());
return composite;
}
abstract protected TabItem addTabs();
public boolean performOk(IProgressMonitor monitor) {
Iterator iter = tabs.iterator();
while (iter.hasNext()) {
ICOptionPage tab = (ICOptionPage) iter.next();
try {
tab.performApply(new NullProgressMonitor());
} catch (CoreException e) {
CUIPlugin.errorDialog(folder.getShell(), "Error", "Error setting options", e);
return false;
}
}
return true;
}
/**
* @see DialogPage#setVisible(boolean)
*/
public void setVisible(boolean visible) {
Iterator iter = tabs.iterator();
while (iter.hasNext()) {
ICOptionPage tab = (ICOptionPage) iter.next();
tab.setVisible(visible);
}
update();
folder.setFocus();
}
public void update() {
boolean ok = true;
Iterator iter = tabs.iterator();
while (iter.hasNext()) {
ICOptionPage tab = (ICOptionPage) iter.next();
ok = tab.isValid();
if (!ok) {
setErrorMessage(tab.getErrorMessage());
break;
}
}
if (ok && fCurrentItem != null) {
setErrorMessage(null);
ICOptionPage tab = (ICOptionPage) fCurrentItem.getData();
messageLabel.setText(tab.getMessage());
}
setValid(ok);
}
private void setValid(boolean ok) {
bIsValid = ok;
}
private void setErrorMessage(String message) {
fErrorMessage = message;
}
public String getErrorMessage() {
return fErrorMessage;
}
public boolean isValid() {
return bIsValid;
}
public void performDefaults() {
ICOptionPage tab = (ICOptionPage) fCurrentItem.getData();
tab.performDefaults();
}
}