diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/dialogfield/ColorButtonDialogField.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/dialogfield/ColorButtonDialogField.java | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/dialogfield/ColorButtonDialogField.java b/jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/dialogfield/ColorButtonDialogField.java deleted file mode 100644 index 822841455..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.common.ui/src/org/eclipse/jst/jsf/common/ui/internal/dialogfield/ColorButtonDialogField.java +++ /dev/null @@ -1,339 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006 Sybase, Inc. 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: - * Sybase, Inc. - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsf.common.ui.internal.dialogfield; - -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; -import java.util.Map; - -import org.eclipse.jst.jsf.common.ui.internal.utils.StyleCombo; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.DisposeEvent; -import org.eclipse.swt.events.DisposeListener; -import org.eclipse.swt.events.FocusAdapter; -import org.eclipse.swt.events.FocusEvent; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.SelectionListener; -import org.eclipse.swt.graphics.Color; -import org.eclipse.swt.graphics.Font; -import org.eclipse.swt.graphics.GC; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.graphics.ImageData; -import org.eclipse.swt.graphics.Point; -import org.eclipse.swt.graphics.RGB; -import org.eclipse.swt.layout.GridData; -import org.eclipse.swt.widgets.Button; -import org.eclipse.swt.widgets.ColorDialog; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.ui.forms.widgets.FormToolkit; - -/** - * This class provides a common color choice DialogFiled. - * - * @author mengbo - */ -public class ColorButtonDialogField extends StyleComboDialogField { - // color selection button - private Button _button; - - // the button enable flag - private boolean _buttonEnabled; - - // the current color - private Color _color; - - // the current color RGB - private RGB _colorValue; - - // the combo control - private StyleCombo _combo; - - // when no color is set or selected, using the empty image - private Image _emptyImage; - - // size of color image - private Point _extent; - - // the color image - private Image _image; - - private ColorPalette _colorPalette; - - /** - * @param flags - * @param colorPalette - */ - public ColorButtonDialogField(int flags, ColorPalette colorPalette) { - super(flags); - _buttonEnabled = true; - _colorPalette = colorPalette; - } - - private void buttonPressed() { - ColorDialog colorDialog = new ColorDialog(_button.getShell()); - colorDialog.setRGB(_colorValue); - RGB newColor = colorDialog.open(); - if (newColor != null && !newColor.equals(_colorValue)) { - _colorValue = newColor; - setText(ColorPalette.getStringColor(newColor)); - updateColorImage(); - } - } - - /** - * Compute the size of the image to be displayed. - * - * @param window - - * the window used to calculate - * @return <code>Point</code> - */ - private Point computeImageSize(Control window) { - GC gc = new GC(window); - Font f = _button.getFont(); - gc.setFont(f); - int height = gc.getFontMetrics().getHeight(); - - Point p = new Point(height * 3 - 6, height - 2); - gc.dispose(); - return p; - } - - private void disposeResources() { - if (_image != null) { - _image.dispose(); - _image = null; - } - if (_emptyImage != null) { - _emptyImage.dispose(); - _emptyImage = null; - } - if (_color != null) { - _color.dispose(); - _color = null; - } - - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jst.jsf.common.ui.internal.dialogfield.DialogField#doFillIntoGrid(org.eclipse.ui.forms.widgets.FormToolkit, - * org.eclipse.swt.widgets.Composite, int) - */ - public Control[] doFillIntoGrid(FormToolkit toolkit, Composite parent, - int nColumns) { - assertEnoughColumns(nColumns); - - Control requiredLabel = getRequiredLabelControl(toolkit, parent); - requiredLabel.setLayoutData(gridDataForLabel(1)); - - Control label = getLabelControl(toolkit, parent); - label.setLayoutData(gridDataForLabel(1)); - - StyleCombo combo = getComboControl(toolkit, parent); - combo.setLayoutData(gridDataForCombo(nColumns - 3)); - - _button = getChangeControl(toolkit, parent); - _button.setLayoutData(gridDataForButton(1)); - - return new Control[] { requiredLabel, label, combo, _button }; - } - - /** - * Sets the enable state of the button. - * @param enable - */ - public void enableButton(boolean enable) { - if (isOkToUse(_button)) { - _button.setEnabled(isEnabled() && enable); - } - _buttonEnabled = enable; - } - - /** - * Creates or returns the created buttom widget. - * @param toolkit - * - * @param parent - * The parent composite or <code>null</code> if the widget has - * already been created. - * @return the button widget - */ - public Button getChangeControl(FormToolkit toolkit, Composite parent) { - if (_button == null) { - assertCompositeNotNull(parent); - if (toolkit != null) { - _button = toolkit.createButton(parent, "", SWT.PUSH); //$NON-NLS-1$ - } else { - _button = new Button(parent, SWT.PUSH); - } - _button.setEnabled(isEnabled() && _buttonEnabled); - - _button.addSelectionListener(new SelectionListener() { - public void widgetDefaultSelected(SelectionEvent e) { - buttonPressed(); - } - - public void widgetSelected(SelectionEvent e) { - buttonPressed(); - } - }); - - _button.addDisposeListener(new DisposeListener() { - public void widgetDisposed(DisposeEvent event) { - disposeResources(); - } - }); - - _extent = computeImageSize(parent); - _image = new Image(parent.getDisplay(), _extent.x, _extent.y); - _emptyImage = new Image(parent.getDisplay(), _extent.x, _extent.y); - initEmptyImage(_button); - updateColorImage(); - } - - return _button; - } - - private String[] getColorList() { - Map map = _colorPalette.getExtendedColorMap(); - List list = new ArrayList(map.keySet()); - Collections.sort(list); - return (String[]) list.toArray(new String[list.size()]); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jst.jsf.common.ui.internal.dialogfield.StringDialogField#getTextControl(org.eclipse.ui.forms.widgets.FormToolkit, - * org.eclipse.swt.widgets.Composite) - */ - public StyleCombo getComboControl(FormToolkit toolkit, Composite parent) { - - if (_combo == null) { - _combo = super.getComboControl(toolkit, parent); - - _combo.addSelectionListener(new SelectionListener() { - - public void widgetDefaultSelected(SelectionEvent e) { - updateImageAfterChanged(); - } - - public void widgetSelected(SelectionEvent e) { - updateImageAfterChanged(); - } - }); - _combo.addFocusListener(new FocusAdapter() { - public void focusLost(FocusEvent e) { - updateImageAfterChanged(); - } - }); - _combo.setItems(getColorList()); - } - return _combo; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jst.jsf.common.ui.internal.dialogfield.DialogField#getNumberOfControls() - */ - public int getNumberOfControls() { - return 4; - } - private GridData gridDataForButton(int span) { - GridData gd = new GridData(); - gd.horizontalAlignment = GridData.FILL; - gd.grabExcessHorizontalSpace = false; - gd.horizontalSpan = span; - gd.widthHint = LayoutUtil.getButtonWidthHint(_button); - gd.heightHint = _combo.computeSize(SWT.DEFAULT, SWT.DEFAULT).y; - return gd; - } - - private void initEmptyImage(Control parent) { - Color transparentColor = parent.getForeground(); - ImageData imageData = _emptyImage.getImageData(); - imageData.transparentPixel = 0; - GC gc = new GC(_emptyImage); - gc.setBackground(transparentColor); - gc.fillRectangle(0, 0, _emptyImage.getBounds().width, _emptyImage - .getBounds().height); - } - - /** - * Set the current color value and update the control. - * - * @param rgb - * The new color. - */ - public void setColorValue(RGB rgb) { - _colorValue = rgb; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jst.jsf.common.ui.internal.dialogfield.ComboDialogField#setTextWithoutUpdate(java.lang.String) - */ - public void setTextWithoutUpdate(String text) { - super.setTextWithoutUpdate(text); - updateImageAfterChanged(); - } - - /** - * Update the image being displayed on the button using the current color - * setting. - */ - protected void updateColorImage() { - if (_button.isDisposed()) { - return; - } - - if (_colorValue == null) { - _button.setImage(_emptyImage); - return; - } - - Display display = _button.getDisplay(); - GC gc = new GC(_image); - gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK)); - gc.drawRectangle(0, 0, _extent.x - 1, _extent.y - 1); - if (_color != null) { - _color.dispose(); - } - _color = new Color(display, _colorValue); - gc.setBackground(_color); - gc.fillRectangle(1, 1, _extent.x - 2, _extent.y - 2); - gc.dispose(); - _button.setImage(_image); - } - - /* - * @see DialogField#updateEnableState - */ - protected void updateEnableState() { - super.updateEnableState(); - if (isOkToUse(_button)) { - _button.setEnabled(isEnabled() && _buttonEnabled); - } - } - - private void updateImageAfterChanged() { - String newColor = getText().trim(); - setColorValue(_colorPalette.getExtendedColorRGB(newColor)); - updateColorImage(); - } -} |