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package org.eclipse.swt.examples.controls;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.events.*;
class ShellTab extends Tab {
/* Style widgets added to the "Style" group */
Button noParentButton, parentButton;
Button noTrimButton, closeButton, titleButton, minButton, maxButton, borderButton, resizeButton;
Button createButton, closeAllButton;
Group parentStyleGroup;
/* Variables used to track the open shells */
int shellCount = 0;
Shell [] shells = new Shell [4];
/**
* Close all the example shells.
*/
void closeAllShells() {
for (int i = 0; i<shellCount; i++) {
if (shells[i] != null & !shells [i].isDisposed ()) {
shells [i].dispose();
}
}
shellCount = 0;
}
/**
* Handle the Create button selection event.
*
* @param event org.eclipse.swt.events.SelectionEvent
*/
public void createButtonSelected(SelectionEvent event) {
/*
* Remember the example shells so they
* can be disposed by the user.
*/
if (shellCount >= shells.length) {
Shell [] newShells = new Shell [shells.length + 4];
System.arraycopy (shells, 0, newShells, 0, shells.length);
shells = newShells;
}
/* Compute the shell style */
int style = SWT.NONE;
if (noTrimButton.getSelection()) style |= SWT.NO_TRIM;
if (closeButton.getSelection()) style |= SWT.CLOSE;
if (titleButton.getSelection()) style |= SWT.TITLE;
if (minButton.getSelection()) style |= SWT.MIN;
if (maxButton.getSelection()) style |= SWT.MAX;
if (borderButton.getSelection()) style |= SWT.BORDER;
if (resizeButton.getSelection()) style |= SWT.RESIZE;
/* Create the shell with or without a parent */
if (noParentButton.getSelection ()) {
shells [shellCount] = new Shell (style);
} else {
Shell shell = tabFolderPage.getShell ();
shells [shellCount] = new Shell (shell, style);
}
/* Set the size, title and open the shell */
shells [shellCount].setSize (300, 100);
shells [shellCount].setText (ControlPlugin.getResourceString("Title") + shellCount);
shells [shellCount++].open ();
}
/**
* Creates the "Control" group.
*/
void createControlGroup () {
/*
* Create the "Control" group. This is the group on the
* left half of each example tab. It consists of the
* style group, the display group and the size group.
*/
controlGroup = new Group (tabFolderPage, SWT.NULL);
GridLayout gridLayout= new GridLayout ();
controlGroup.setLayout (gridLayout);
gridLayout.numColumns = 1;
gridLayout.makeColumnsEqualWidth = true;
controlGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
controlGroup.setText (ControlPlugin.getResourceString("Parameters"));
/* Create individual groups inside the "Control" group */
styleGroup = new Group (controlGroup, SWT.NULL);
gridLayout = new GridLayout ();
styleGroup.setLayout (gridLayout);
gridLayout.numColumns = 2;
styleGroup.setLayoutData (new GridData(GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
styleGroup.setText (ControlPlugin.getResourceString("Styles"));
/* Create a group for the parent sytle controls */
parentStyleGroup = new Group (styleGroup, SWT.NULL);
parentStyleGroup.setLayout (new GridLayout ());
GridData gridData = new GridData(GridData.HORIZONTAL_ALIGN_CENTER);
gridData.horizontalSpan = 2;
parentStyleGroup.setLayoutData (gridData);
parentStyleGroup.setText (ControlPlugin.getResourceString("Parent"));
}
/**
* Creates the "Control" widget children.
*/
void createControlWidgets () {
/* Create the parent style buttons */
noParentButton = new Button (parentStyleGroup, SWT.RADIO);
noParentButton.setText (ControlPlugin.getResourceString("No_Parent"));
parentButton = new Button (parentStyleGroup, SWT.RADIO);
parentButton.setText (ControlPlugin.getResourceString("Parent"));
/* Create a group for the decoration style controls */
Group decorationStyleGroup = new Group(styleGroup, SWT.NULL);
decorationStyleGroup.setLayout (new GridLayout ());
GridData gridData = new GridData (GridData.HORIZONTAL_ALIGN_CENTER);
gridData.horizontalSpan = 2;
decorationStyleGroup.setLayoutData (gridData);
decorationStyleGroup.setText (ControlPlugin.getResourceString("Decoration_Styles"));
/* Create the decoration style buttons */
noTrimButton = new Button (decorationStyleGroup, SWT.CHECK);
noTrimButton.setText (ControlPlugin.getResourceString("SWT_NO_TRIM"));
closeButton = new Button (decorationStyleGroup, SWT.CHECK);
closeButton.setText (ControlPlugin.getResourceString("SWT_CLOSE"));
titleButton = new Button (decorationStyleGroup, SWT.CHECK);
titleButton.setText (ControlPlugin.getResourceString("SWT_TITLE"));
minButton = new Button (decorationStyleGroup, SWT.CHECK);
minButton.setText (ControlPlugin.getResourceString("SWT_MIN"));
maxButton = new Button (decorationStyleGroup, SWT.CHECK);
maxButton.setText (ControlPlugin.getResourceString("SWT_MAX"));
borderButton = new Button (decorationStyleGroup, SWT.CHECK);
borderButton.setText (ControlPlugin.getResourceString("SWT_BORDER"));
resizeButton = new Button (decorationStyleGroup, SWT.CHECK);
resizeButton.setText (ControlPlugin.getResourceString("SWT_RESIZE"));
/* Create the "create" and "closeAll" buttons */
createButton = new Button (styleGroup, SWT.NULL);
gridData = new GridData (GridData.HORIZONTAL_ALIGN_CENTER);
createButton.setLayoutData (gridData);
createButton.setText (ControlPlugin.getResourceString("Create_Shell"));
closeAllButton = new Button (styleGroup, SWT.NULL);
closeAllButton.setText (ControlPlugin.getResourceString("Close_All_Shells"));
closeAllButton.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_CENTER));
/* Add the listeners */
createButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
createButtonSelected(e);
};
});
closeAllButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
closeAllShells ();
};
});
SelectionListener decorationButtonListener = new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
decorationButtonSelected(event);
};
};
noTrimButton.addSelectionListener (decorationButtonListener);
closeButton.addSelectionListener (decorationButtonListener);
titleButton.addSelectionListener (decorationButtonListener);
minButton.addSelectionListener (decorationButtonListener);
maxButton.addSelectionListener (decorationButtonListener);
borderButton.addSelectionListener (decorationButtonListener);
resizeButton.addSelectionListener (decorationButtonListener);
/* Set the default state */
noParentButton.setSelection (true);
}
/**
* Handle a decoration button selection event.
*
* @param event org.eclipse.swt.events.SelectionEvent
*/
public void decorationButtonSelected(SelectionEvent event) {
/*
* Make sure if the No Trim button is selected then
* all other decoration buttons are deselected.
*/
Button widget = (Button) event.widget;
if (widget.getSelection() && widget != noTrimButton) {
noTrimButton.setSelection (false);
return;
}
if (widget.getSelection() && widget == noTrimButton) {
closeButton.setSelection (false);
titleButton.setSelection (false);
minButton.setSelection (false);
maxButton.setSelection (false);
borderButton.setSelection (false);
resizeButton.setSelection (false);
return;
}
}
/**
* Gets the text for the tab folder item.
*/
String getTabText () {
return ControlPlugin.getResourceString("Shell");
}
}
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