/*******************************************************************************
* Copyright (c) 2012 VMware, Inc.
* 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:
* VMware, Inc. - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.roo.ui.internal.properties;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.jface.resource.JFaceResources;
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.Text;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
/**
* Factory class to create some SWT resources.
* <p>
* NOTE: this class has been copied from Eclipse 3.5.
* @author Christian Dupuis
*/
class SWTFactory {
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);
SWTFactory.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);
SWTFactory.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);
SWTFactory.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);
SWTFactory.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 an ExpandibleComposite widget
* @param parent the parent to add this widget to
* @param style the style for ExpandibleComposite expanding handle, and
* layout
* @param label the label for the widget
* @param hspan how many columns to span in the parent
* @param fill the fill style for the widget Can be one of
* <code>GridData.FILL_HORIZONAL</code>, <code>GridData.FILL_BOTH</code> or
* <code>GridData.FILL_VERTICAL</code>
* @return a new ExpandibleComposite widget
* @since 3.6
*/
public static ExpandableComposite createExpandibleComposite(Composite parent, int style, String label, int hspan,
int fill) {
ExpandableComposite ex = new ExpandableComposite(parent, SWT.NONE, style);
ex.setText(label);
ex.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT));
GridData gd = new GridData(fill);
gd.horizontalSpan = hspan;
ex.setLayoutData(gd);
return ex;
}
/**
* 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;
}
}