/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package runjettyrun.tabs.action.helper;
import java.util.List;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.ui.JavaElementComparator;
import org.eclipse.jdt.ui.JavaElementLabelProvider;
import org.eclipse.jdt.ui.ProblemsLabelDecorator;
import org.eclipse.jdt.ui.StandardJavaElementContentProvider;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.ViewForm;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Layout;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.ui.model.WorkbenchContentProvider;
/**
* Factory class to create some SWT resources.
*/
public class SWTFactory {
/**
* Returns a width hint for a button control.
*/
public static int getButtonWidthHint(Button button) {
/* button.setFont(JFaceResources.getDialogFont()); */
PixelConverter converter = new PixelConverter(button);
int widthHint = converter
.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
return Math.max(widthHint,
button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
}
/**
* Sets width and height hint for the button control. <b>Note:</b> This is a
* NOP if the button's layout data is not an instance of
* <code>GridData</code>.
*
* @param the
* button for which to set the dimension hint
*/
public static void setButtonDimensionHint(Button button) {
Assert.isNotNull(button);
Object gd = button.getLayoutData();
if (gd instanceof GridData) {
((GridData) gd).widthHint = getButtonWidthHint(button);
((GridData) gd).horizontalAlignment = GridData.FILL;
}
}
/**
* Creates a check box button using the parents' font
*
* @param parent
* the parent to add the button to
* @param label
* the label for the button
* @param image
* the image for the button
* @param checked
* the initial checked state of the button
* @param hspan
* the horizontal span to take up in the parent composite
* @return a new checked button set to the initial checked state
* @since 3.3
*/
public static Button createCheckButton(Composite parent, String label,
Image image, boolean checked, int hspan) {
Button button = new Button(parent, SWT.CHECK);
button.setFont(parent.getFont());
button.setSelection(checked);
if (image != null) {
button.setImage(image);
}
if (label != null) {
button.setText(label);
}
GridData gd = new GridData();
gd.horizontalSpan = hspan;
button.setLayoutData(gd);
setButtonDimensionHint(button);
return button;
}
/**
* Creates and returns a new push button with the given label and/or image.
*
* @param parent
* parent control
* @param label
* button label or <code>null</code>
* @param image
* image of <code>null</code>
*
* @return a new push button
*/
public static Button createPushButton(Composite parent, String label,
Image image) {
Button button = new Button(parent, SWT.PUSH);
button.setFont(parent.getFont());
if (image != null) {
button.setImage(image);
}
if (label != null) {
button.setText(label);
}
GridData gd = new GridData();
button.setLayoutData(gd);
setButtonDimensionHint(button);
return button;
}
/**
* Creates and returns a new push button with the given label and/or image.
*
* @param parent
* parent control
* @param label
* button label or <code>null</code>
* @param image
* image of <code>null</code>
* @param fill
* the alignment for the new button
*
* @return a new push button
* @since 3.4
*/
public static Button createPushButton(Composite parent, String label,
Image image, int fill) {
Button button = new Button(parent, SWT.PUSH);
button.setFont(parent.getFont());
if (image != null) {
button.setImage(image);
}
if (label != null) {
button.setText(label);
}
GridData gd = new GridData(fill);
button.setLayoutData(gd);
setButtonDimensionHint(button);
return button;
}
/**
* Creates and returns a new push button with the given label, tooltip
* and/or image.
*
* @param parent
* parent control
* @param label
* button label or <code>null</code>
* @param tooltip
* the tooltip text for the button or <code>null</code>
* @param image
* image of <code>null</code>
*
* @return a new push button
* @since 3.6
*/
public static Button createPushButton(Composite parent, String label,
String tooltip, Image image) {
Button button = createPushButton(parent, label, image);
button.setToolTipText(tooltip);
return button;
}
/**
* Creates and returns a new radio button with the given label.
*
* @param parent
* parent control
* @param label
* button label or <code>null</code>
*
* @return a new radio button
*/
public static Button createRadioButton(Composite parent, String label) {
Button button = new Button(parent, SWT.RADIO);
button.setFont(parent.getFont());
if (label != null) {
button.setText(label);
}
GridData gd = new GridData();
button.setLayoutData(gd);
setButtonDimensionHint(button);
return button;
}
/**
* Creates and returns a new radio button with the given label.
*
* @param parent
* parent control
* @param label
* button label or <code>null</code>
* @param hspan
* the number of columns to span in the parent composite
*
* @return a new radio button
* @since 3.6
*/
public static Button createRadioButton(Composite parent, String label,
int hspan) {
Button button = new Button(parent, SWT.RADIO);
button.setFont(parent.getFont());
if (label != null) {
button.setText(label);
}
GridData gd = new GridData(GridData.BEGINNING);
gd.horizontalSpan = hspan;
button.setLayoutData(gd);
setButtonDimensionHint(button);
return button;
}
/**
* Creates a new label widget
*
* @param parent
* the parent composite to add this label widget to
* @param text
* the text for the label
* @param hspan
* the horizontal span to take up in the parent composite
* @return the new label
* @since 3.2
*
*/
public static Label createLabel(Composite parent, String text, int hspan) {
Label l = new Label(parent, SWT.NONE);
l.setFont(parent.getFont());
l.setText(text);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
gd.grabExcessHorizontalSpace = false;
l.setLayoutData(gd);
return l;
}
/**
* Creates a new label widget
*
* @param parent
* the parent composite to add this label widget to
* @param text
* the text for the label
* @param font
* the font for the label
* @param hspan
* the horizontal span to take up in the parent composite
* @return the new label
* @since 3.3
*/
public static Label createLabel(Composite parent, String text, Font font,
int hspan) {
Label l = new Label(parent, SWT.NONE);
l.setFont(font);
l.setText(text);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
l.setLayoutData(gd);
return l;
}
/**
* Creates a wrapping label
*
* @param parent
* the parent composite to add this label to
* @param text
* the text to be displayed in the label
* @param hspan
* the horizontal span that label should take up in the parent
* composite
* @param wrapwidth
* the width hint that the label should wrap at
* @return a new label that wraps at a specified width
* @since 3.3
*/
public static Label createWrapLabel(Composite parent, String text,
int hspan, int wrapwidth) {
Label l = new Label(parent, SWT.NONE | SWT.WRAP);
l.setFont(parent.getFont());
l.setText(text);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
gd.widthHint = wrapwidth;
l.setLayoutData(gd);
return l;
}
/**
* Creates a new <code>CLabel</code> that will wrap at the specified width
* and has the specified image
*
* @param parent
* the parent to add this label to
* @param text
* the text for the label
* @param image
* the image for the label
* @param hspan
* the h span to take up in the parent
* @param wrapwidth
* the with to wrap at
* @return a new <code>CLabel</code>
* @since 3.3
*/
public static CLabel createWrapCLabel(Composite parent, String text,
Image image, int hspan, int wrapwidth) {
CLabel label = new CLabel(parent, SWT.NONE | SWT.WRAP);
label.setFont(parent.getFont());
if (text != null) {
label.setText(text);
}
if (image != null) {
label.setImage(image);
}
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
gd.widthHint = wrapwidth;
label.setLayoutData(gd);
return label;
}
/**
* Creates a wrapping label
*
* @param parent
* the parent composite to add this label to
* @param text
* the text to be displayed in the label
* @param hspan
* the horizontal span that label should take up in the parent
* composite
* @return a new label that wraps at a specified width
* @since 3.3
*/
public static Label createWrapLabel(Composite parent, String text, int hspan) {
Label l = new Label(parent, SWT.NONE | SWT.WRAP);
l.setFont(parent.getFont());
l.setText(text);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
l.setLayoutData(gd);
return l;
}
/**
* Creates a new text widget
*
* @param parent
* the parent composite to add this text widget to
* @param hspan
* the horizontal span to take up on the parent composite
* @return the new text widget
* @since 3.2
*
*/
public static Text createSingleText(Composite parent, int hspan) {
Text t = new Text(parent, SWT.SINGLE | SWT.BORDER);
t.setFont(parent.getFont());
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
t.setLayoutData(gd);
return t;
}
/**
* Creates a new text widget
*
* @param parent
* the parent composite to add this text widget to
* @param style
* the style bits for the text widget
* @param hspan
* the horizontal span to take up on the parent composite
* @param fill
* the fill for the grid layout
* @return the new text widget
* @since 3.3
*/
public static Text createText(Composite parent, int style, int hspan,
int fill) {
Text t = new Text(parent, style);
t.setFont(parent.getFont());
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
t.setLayoutData(gd);
return t;
}
/**
* Creates a new text widget
*
* @param parent
* the parent composite to add this text widget to
* @param style
* the style bits for the text widget
* @param hspan
* the horizontal span to take up on the parent composite
* @return the new text widget
* @since 3.3
*/
public static Text createText(Composite parent, int style, int hspan) {
Text t = new Text(parent, style);
t.setFont(parent.getFont());
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
t.setLayoutData(gd);
return t;
}
/**
* Creates a new text widget
*
* @param parent
* the parent composite to add this text widget to
* @param style
* the style bits for the text widget
* @param hspan
* the horizontal span to take up on the parent composite
* @param width
* the desired width of the text widget
* @param height
* the desired height of the text widget
* @param fill
* the fill style for the widget
* @return the new text widget
* @since 3.3
*/
public static Text createText(Composite parent, int style, int hspan,
int width, int height, int fill) {
Text t = new Text(parent, style);
t.setFont(parent.getFont());
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
gd.widthHint = width;
gd.heightHint = height;
t.setLayoutData(gd);
return t;
}
/**
* Creates a new text widget
*
* @param parent
* the parent composite to add this text widget to
* @param style
* the style bits for the text widget
* @param hspan
* the horizontal span to take up on the parent composite
* @param text
* the initial text, not <code>null</code>
* @return the new text widget
* @since 3.6
*/
public static Text createText(Composite parent, int style, int hspan,
String text) {
Text t = new Text(parent, style);
t.setFont(parent.getFont());
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
t.setLayoutData(gd);
t.setText(text);
return t;
}
/**
* Creates a Group widget
*
* @param parent
* the parent composite to add this group to
* @param text
* the text for the heading of the group
* @param columns
* the number of columns within the group
* @param hspan
* the horizontal span the group should take up on the parent
* @param fill
* the style for how this composite should fill into its parent
* @return the new group
* @since 3.2
*
*/
public static Group createGroup(Composite parent, String text, int columns,
int hspan, int fill) {
Group g = new Group(parent, SWT.NONE);
g.setLayout(new GridLayout(columns, false));
g.setText(text);
g.setFont(parent.getFont());
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
g.setLayoutData(gd);
return g;
}
/**
* Creates a Composite widget
*
* @param parent
* the parent composite to add this composite to
* @param font
* the font to set on the control
* @param columns
* the number of columns within the composite
* @param hspan
* the horizontal span the composite should take up on the parent
* @param fill
* the style for how this composite should fill into its parent
* @return the new group
* @since 3.3
*/
public static Composite createComposite(Composite parent, Font font,
int columns, int hspan, int fill) {
Composite g = new Composite(parent, SWT.NONE);
g.setLayout(new GridLayout(columns, false));
g.setFont(font);
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
g.setLayoutData(gd);
return g;
}
/**
* Creates a composite that uses the parent's font and has a grid layout
*
* @param parent
* the parent to add the composite to
* @param columns
* the number of columns the composite should have
* @param hspan
* the horizontal span the new composite should take up in the
* parent
* @param fill
* the fill style of the composite {@link GridData}
* @return a new composite with a grid layout
*
* @since 3.3
*/
public static Composite createComposite(Composite parent, int columns,
int hspan, int fill) {
Composite g = new Composite(parent, SWT.NONE);
g.setLayout(new GridLayout(columns, false));
g.setFont(parent.getFont());
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
g.setLayoutData(gd);
return g;
}
/**
* Creates a vertical spacer for separating components. If applied to a
* <code>GridLayout</code>, this method will automatically span all of the
* columns of the parent to make vertical space
*
* @param parent
* the parent composite to add this spacer to
* @param numlines
* the number of vertical lines to make as space
* @since 3.3
*/
public static void createVerticalSpacer(Composite parent, int numlines) {
Label lbl = new Label(parent, SWT.NONE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
Layout layout = parent.getLayout();
if (layout instanceof GridLayout) {
gd.horizontalSpan = ((GridLayout) parent.getLayout()).numColumns;
}
gd.heightHint = numlines;
lbl.setLayoutData(gd);
}
/**
* creates a horizontal spacer for separating components
*
* @param comp
* @param numlines
* @since 3.3
*/
public static void createHorizontalSpacer(Composite comp, int numlines) {
Label lbl = new Label(comp, SWT.NONE);
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = numlines;
lbl.setLayoutData(gd);
}
/**
* Creates a Composite widget
*
* @param parent
* the parent composite to add this composite to
* @param font
* the font to set on the control
* @param columns
* the number of columns within the composite
* @param hspan
* the horizontal span the composite should take up on the parent
* @param fill
* the style for how this composite should fill into its parent
* @param marginwidth
* the width of the margin to place on the sides of the composite
* (default is 5, specified by GridLayout)
* @param marginheight
* the height of the margin to place o the top and bottom of the
* composite
* @return the new composite
* @since 3.3
*/
public static Composite createComposite(Composite parent, Font font,
int columns, int hspan, int fill, int marginwidth, int marginheight) {
Composite g = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(columns, false);
layout.marginWidth = marginwidth;
layout.marginHeight = marginheight;
g.setLayout(layout);
g.setFont(font);
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
g.setLayoutData(gd);
return g;
}
/**
* Creates a {@link ViewForm}
*
* @param parent
* @param style
* @param cols
* @param span
* @param fill
* @param marginwidth
* @param marginheight
* @return a new {@link ViewForm}
* @since 3.6
*/
public static ViewForm createViewform(Composite parent, int style,
int cols, int span, int fill, int marginwidth, int marginheight) {
ViewForm form = new ViewForm(parent, style);
form.setFont(parent.getFont());
GridLayout layout = new GridLayout(cols, false);
layout.marginWidth = marginwidth;
layout.marginHeight = marginheight;
form.setLayout(layout);
GridData gd = new GridData(fill);
gd.horizontalSpan = span;
form.setLayoutData(gd);
return form;
}
/**
* Creates a Composite widget
*
* @param parent
* the parent composite to add this composite to
* @param font
* the font to set on the control
* @param columns
* the number of columns within the composite
* @param hspan
* the horizontal span the composite should take up on the parent
* @param fill
* the style for how this composite should fill into its parent
* @param marginwidth
* the width of the margin to place on the sides of the composite
* (default is 5, specified by GridLayout)
* @param marginheight
* the height of the margin to place o the top and bottom of the
* composite
* @return the new composite
* @since 3.6
*/
public static Composite createComposite(Composite parent, Font font,
int style, int columns, int hspan, int fill, int marginwidth,
int marginheight) {
Composite g = new Composite(parent, style);
GridLayout layout = new GridLayout(columns, false);
layout.marginWidth = marginwidth;
layout.marginHeight = marginheight;
g.setLayout(layout);
g.setFont(font);
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
g.setLayoutData(gd);
return g;
}
/**
* This method is used to make a combo box
*
* @param parent
* the parent composite to add the new combo to
* @param style
* the style for the Combo
* @param hspan
* the horizontal span to take up on the parent composite
* @param fill
* how the combo will fill into the composite Can be one of
* <code>GridData.FILL_HORIZONAL</code>,
* <code>GridData.FILL_BOTH</code> or
* <code>GridData.FILL_VERTICAL</code>
* @param items
* the item to put into the combo
* @return a new Combo instance
* @since 3.3
*/
public static Combo createCombo(Composite parent, int style, int hspan,
int fill, String[] items) {
Combo c = new Combo(parent, style);
c.setFont(parent.getFont());
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
c.setLayoutData(gd);
if (items != null) {
c.setItems(items);
}
// Some platforms open up combos in bad sizes without this, see bug
// 245569
c.setVisibleItemCount(30);
c.select(0);
return c;
}
/**
* This method is used to make a combo box with a default fill style of
* GridData.FILL_HORIZONTAL
*
* @param parent
* the parent composite to add the new combo to
* @param style
* the style for the Combo
* @param hspan
* the horizontal span to take up on the parent composite
* @param items
* the item to put into the combo
* @return a new Combo instance
* @since 3.3
*/
public static Combo createCombo(Composite parent, int style, int hspan,
String[] items) {
Combo c = new Combo(parent, style);
c.setFont(parent.getFont());
GridData gd = new GridData(GridData.FILL_HORIZONTAL);
gd.horizontalSpan = hspan;
c.setLayoutData(gd);
if (items != null) {
c.setItems(items);
}
// Some platforms open up combos in bad sizes without this, see bug
// 245569
c.setVisibleItemCount(30);
c.select(0);
return c;
}
public static ElementTreeSelectionDialog createWorkspaceFileSelectionDialog(
Shell shell, String title, String message) {
int labelFlags = JavaElementLabelProvider.SHOW_BASICS
| JavaElementLabelProvider.SHOW_OVERLAY_ICONS
| JavaElementLabelProvider.SHOW_SMALL_ICONS;
final DecoratingLabelProvider provider = new DecoratingLabelProvider(
new JavaElementLabelProvider(labelFlags),
new ProblemsLabelDecorator(null));
ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(
shell, provider, new StandardJavaElementContentProvider());
dialog.setComparator(new JavaElementComparator());
dialog.setAllowMultiple(false);
dialog.setValidator(new ISelectionStatusValidator() {
public IStatus validate(Object[] selection) {
StatusInfo res = new StatusInfo();
// only single selection
if (selection.length == 1 && (selection[0] instanceof IFolder))
res.setOK();
else
res.setError(""); //$NON-NLS-1$
return res;
}
});
dialog.addFilter(new ClosedProjectFilter());
dialog.addFilter(new OutputFolderOnlyFilter());
dialog.setTitle(title);
dialog.setMessage(message);
dialog.setStatusLineAboveButtons(true);
dialog.setInput(JavaCore.create(ResourcesPlugin.getWorkspace()
.getRoot()));
return dialog;
}
public static ElementTreeSelectionDialog createAllWorkspaceFileSelectionDialog(
Shell shell, String title, String message,
List<ViewerFilter> filters) {
int labelFlags = JavaElementLabelProvider.SHOW_BASICS
| JavaElementLabelProvider.SHOW_OVERLAY_ICONS
| JavaElementLabelProvider.SHOW_SMALL_ICONS;
final DecoratingLabelProvider provider = new DecoratingLabelProvider(
new JavaElementLabelProvider(labelFlags),
new ProblemsLabelDecorator(null));
ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(
shell, provider, new WorkbenchContentProvider());
dialog.setComparator(new JavaElementComparator());
dialog.setAllowMultiple(false);
dialog.setValidator(new ISelectionStatusValidator() {
public IStatus validate(Object[] selection) {
StatusInfo res = new StatusInfo();
// only single selection
if (selection.length == 1 && (selection[0] instanceof IFolder))
res.setOK();
else
res.setError(""); //$NON-NLS-1$
return res;
}
});
if (filters != null) {
for (ViewerFilter vf : filters) {
dialog.addFilter(vf);
}
}
dialog.setTitle(title);
dialog.setMessage(message);
dialog.setStatusLineAboveButtons(true);
dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());
return dialog;
}
}