--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.utils.ui.color;\r
+\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.HashMap;\r
+\r
+import org.eclipse.jface.util.IPropertyChangeListener;\r
+import org.eclipse.jface.util.PropertyChangeEvent;\r
+import org.eclipse.jface.viewers.CellEditor;\r
+import org.eclipse.jface.viewers.ColorCellEditor;\r
+import org.eclipse.jface.viewers.ICellEditorListener;\r
+import org.eclipse.jface.viewers.ICellModifier;\r
+import org.eclipse.jface.viewers.ILabelProviderListener;\r
+import org.eclipse.jface.viewers.ISelectionChangedListener;\r
+import org.eclipse.jface.viewers.IStructuredContentProvider;\r
+import org.eclipse.jface.viewers.IStructuredSelection;\r
+import org.eclipse.jface.viewers.ITableLabelProvider;\r
+import org.eclipse.jface.viewers.SelectionChangedEvent;\r
+import org.eclipse.jface.viewers.TableViewer;\r
+import org.eclipse.jface.viewers.TextCellEditor;\r
+import org.eclipse.jface.viewers.Viewer;\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.events.SelectionEvent;\r
+import org.eclipse.swt.events.SelectionListener;\r
+import org.eclipse.swt.graphics.Image;\r
+import org.eclipse.swt.graphics.RGB;\r
+import org.eclipse.swt.layout.FillLayout;\r
+import org.eclipse.swt.layout.FormAttachment;\r
+import org.eclipse.swt.layout.FormData;\r
+import org.eclipse.swt.layout.FormLayout;\r
+import org.eclipse.swt.widgets.Button;\r
+import org.eclipse.swt.widgets.ColorDialog;\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.eclipse.swt.widgets.Group;\r
+import org.eclipse.swt.widgets.Label;\r
+import org.eclipse.swt.widgets.Table;\r
+import org.eclipse.swt.widgets.TableColumn;\r
+import org.eclipse.swt.widgets.TableItem;\r
+\r
+/**\r
+ * Widget to create and edit color gradients\r
+ * \r
+ * @author Marko Luukkainen\r
+ *\r
+ */\r
+public class ColorGradientComposite extends Composite implements ISelectionChangedListener, ICellEditorListener, IPropertyChangeListener{\r
+ private static int ICON_WIDTH = 36;\r
+ private static int ICON_HEIGHT = 14;\r
+ \r
+ private static final String COLOR_ID = "Color";\r
+ private static final String VALUE_ID = "Value";\r
+ \r
+ \r
+ private ColorGradientCanvas gradientComposite;\r
+ //private Table table;\r
+ private TableViewer viewer;\r
+ private Button addButton;\r
+ private Button editButton;\r
+ private Button removeButton;\r
+ private Button rgbButton;\r
+ private Button hsvButton;\r
+ private int type = ColorGradient.RGB;\r
+ \r
+ private ArrayList<ColorValue> values = new ArrayList<ColorValue>();\r
+ //private ArrayList<Image> images = new ArrayList<Image>();\r
+ //private HashMap<TableItem,ColorValue> items = new HashMap<TableItem,ColorValue>();\r
+ private HashMap<ColorValue,Image> images = new HashMap<ColorValue,Image>();\r
+ \r
+ \r
+ \r
+ public ColorGradientComposite(Composite parent, int style) {\r
+ super(parent,style);\r
+ FormLayout layout = new FormLayout();\r
+ this.setLayout(layout);\r
+ gradientComposite = new ColorGradientCanvas(this,SWT.HORIZONTAL);\r
+ \r
+ Group typeComposite = new Group(this,SWT.NONE);\r
+ typeComposite.setText("Color interpolation type");\r
+ \r
+ typeComposite.setLayout(new FillLayout(SWT.HORIZONTAL));\r
+ Label rgbLabel = new Label(typeComposite,SWT.NONE);\r
+ rgbLabel.setText("RGB");\r
+ rgbButton = new Button(typeComposite,SWT.RADIO);\r
+ rgbButton.setSelection(true);\r
+ rgbButton.addSelectionListener(new SelectionListener() {\r
+ public void widgetDefaultSelected(SelectionEvent e) {\r
+ widgetSelected(e);\r
+ }\r
+ public void widgetSelected(SelectionEvent e) {\r
+ rgbButton.setSelection(true);\r
+ hsvButton.setSelection(false);\r
+ type = ColorGradient.RGB;\r
+ gradientComposite.setGradient(new ColorGradient(values,type));\r
+ }\r
+ });\r
+ Label hsvLabel = new Label(typeComposite,SWT.NONE);\r
+ hsvLabel.setText("HSV");\r
+ hsvButton = new Button(typeComposite,SWT.RADIO);\r
+ hsvButton.addSelectionListener(new SelectionListener() {\r
+ public void widgetDefaultSelected(SelectionEvent e) {\r
+ widgetSelected(e);\r
+ }\r
+ public void widgetSelected(SelectionEvent e) {\r
+ hsvButton.setSelection(true);\r
+ rgbButton.setSelection(false);\r
+ type = ColorGradient.HSV;\r
+ gradientComposite.setGradient(new ColorGradient(values,type));\r
+ }\r
+ });\r
+ viewer = new TableViewer(this,SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);\r
+ //table = new Table(this,SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);\r
+ final Table table = viewer.getTable();\r
+ table.setLinesVisible(true);\r
+ table.setHeaderVisible(true);\r
+ \r
+ viewer.addSelectionChangedListener(this);\r
+ viewer.addPostSelectionChangedListener(this);\r
+ \r
+ TableColumn column = new TableColumn(table,SWT.RIGHT);\r
+ column.setText("Color");\r
+ column.setWidth(40);\r
+ column.setMoveable(false);\r
+ column.setResizable(false);\r
+ column = new TableColumn(table,SWT.LEFT);\r
+ column.setText("Value");\r
+ column.setWidth(300);\r
+ column.setMoveable(false);\r
+ \r
+ viewer.setColumnProperties(new String[]{COLOR_ID,VALUE_ID});\r
+ \r
+ viewer.setLabelProvider(new TableLabelProvider());\r
+ viewer.setContentProvider(new TableContentProvider());\r
+ viewer.setInput(values);\r
+ \r
+ final ColorCellEditor colorEditor = new ColorCellEditor(table);\r
+ final TextCellEditor valueEditor = new TextCellEditor(table);\r
+ colorEditor.addListener(this);\r
+ valueEditor.addListener(this);\r
+ valueEditor.addPropertyChangeListener(this);\r
+ viewer.setCellEditors(new CellEditor[]{colorEditor,valueEditor});\r
+ \r
+ viewer.setCellModifier(new TableCellEditorModifier()); \r
+ \r
+ \r
+ Composite buttonComposite = new Composite(this,SWT.NONE);\r
+ \r
+ \r
+ buttonComposite.setLayout(new FillLayout(SWT.HORIZONTAL));\r
+ \r
+ addButton = new Button(buttonComposite,SWT.PUSH);\r
+ addButton.setText("Add new color");\r
+ addButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { \r
+ public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { \r
+ ColorDialog dialog = new ColorDialog(ColorGradientComposite.this.getShell(), SWT.NONE);\r
+ \r
+ RGB rgb = dialog.open();\r
+ if (rgb != null) {\r
+ Color c = new Color(rgb.red,rgb.green,rgb.blue);\r
+ Double value;\r
+ if (values.size() == 0) {\r
+ value = 0.0;\r
+ } else if (values.size() == 1) {\r
+ value = 100.0;\r
+ } else {\r
+ // FIXME : insert some logic here\r
+ value = 100.0 * Math.random();\r
+ }\r
+ \r
+ addColor(c,value);\r
+ }\r
+ }\r
+ });\r
+ editButton = new Button(buttonComposite,SWT.PUSH);\r
+ editButton.setText("Edit color");\r
+ editButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { \r
+ public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { \r
+ TableItem selection[] = table.getSelection();\r
+ if (selection.length > 0) {\r
+ TableItem selected = selection[0];\r
+ Object obj = selected.getData();\r
+ if (obj instanceof ColorValue) {\r
+ ColorDialog dialog = new ColorDialog(ColorGradientComposite.this.getShell(), SWT.NONE);\r
+ dialog.setRGB(getRGB(((ColorValue)obj).getColor()));\r
+ RGB rgb = dialog.open();\r
+ if (rgb != null) {\r
+ modifyColorValueColor((ColorValue)obj,rgb);\r
+ }\r
+ } \r
+ }\r
+ }\r
+ });\r
+ editButton.setEnabled(false);\r
+ removeButton = new Button(buttonComposite,SWT.PUSH);\r
+ removeButton.setText("Remove color");\r
+ removeButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { \r
+ public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { \r
+ TableItem selection[] = table.getSelection();\r
+ if (selection.length > 0) {\r
+ TableItem selected = selection[0];\r
+ Object o = selected.getData();\r
+ if (o instanceof ColorValue) {\r
+ Image i = images.get(o);\r
+ i.dispose();\r
+ images.remove(o);\r
+ values.remove(o);\r
+ updateWidgets();\r
+ } \r
+ }\r
+ }\r
+ });\r
+ removeButton.setEnabled(false);\r
+ \r
+ FormData gradientData = new FormData();\r
+ gradientData.top = new FormAttachment(0,0);\r
+ gradientData.left = new FormAttachment(0,0);\r
+ gradientData.right = new FormAttachment(100,0);\r
+ gradientData.height = 40;\r
+ gradientComposite.setLayoutData(gradientData);\r
+ \r
+ FormData typeData = new FormData(); \r
+ typeData.left = new FormAttachment(0,0);\r
+ typeData.right = new FormAttachment(100,0);\r
+ typeData.top = new FormAttachment(gradientComposite,0,SWT.BOTTOM);\r
+ typeData.height = 20;\r
+ typeComposite.setLayoutData(typeData);\r
+ \r
+ FormData buttonData = new FormData(); \r
+ buttonData.left = new FormAttachment(0,0);\r
+ buttonData.right = new FormAttachment(100,0);\r
+ buttonData.bottom = new FormAttachment(100,0);\r
+ buttonData.height = 30;\r
+ buttonComposite.setLayoutData(buttonData);\r
+ \r
+ FormData viewerData = new FormData(); \r
+ viewerData.top = new FormAttachment(typeComposite,0,SWT.BOTTOM);\r
+ viewerData.left = new FormAttachment(0,0);\r
+ viewerData.right = new FormAttachment(100,0);\r
+ viewerData.bottom = new FormAttachment(buttonComposite,0,SWT.TOP);\r
+ table.setLayoutData(viewerData);\r
+ \r
+ \r
+ }\r
+ /*\r
+ private void addColorValueToTable(ColorValue value) {\r
+ TableItem item = new TableItem(table,SWT.NONE);\r
+ item.setText(Double.toString(value.getValue()));\r
+ Image image = ColorIconCreator.createImage(value.getColor(), 14);\r
+ item.setImage(image);\r
+ images.add(image);\r
+ items.put(item,value);\r
+ }\r
+ */\r
+ /*\r
+ private void sortItems() {\r
+ for (Image i : images)\r
+ i.dispose();\r
+ for (TableItem item : table.getItems())\r
+ if(!item.isDisposed())\r
+ item.dispose();\r
+ items.clear();\r
+ Collections.sort(values,new ColorValueComparator());\r
+ for (ColorValue value : values) {\r
+ addColorValueToTable(value);\r
+ }\r
+ }\r
+ */\r
+ public void addColor(Color color, double value) {\r
+ addColor(new ColorValue(color,value));\r
+ }\r
+ \r
+ public void addColor(ColorValue value) {\r
+ values.add(value);\r
+ Image image = ColorIconCreator.createImage(value.getColor(), ICON_WIDTH, ICON_HEIGHT);\r
+ images.put(value,image);\r
+ updateWidgets();\r
+ //viewer.refresh(true);\r
+ }\r
+ \r
+ private void updateWidgets() {\r
+ Collections.sort(values,new ColorValueComparator()); \r
+ gradientComposite.setGradient(new ColorGradient(values,type));\r
+ viewer.refresh();\r
+ \r
+ }\r
+ /*\r
+ public void addColor(ColorValue value) {\r
+ values.add(value);\r
+ sortItems();\r
+ // sortItem creates new menuitems, which makes selectedItem disposed\r
+ for (TableItem item : items.keySet() ) {\r
+ if (items.get(item) == value) {\r
+ gradientComposite.setGradient(new ColorGradient(values,type));\r
+ return;\r
+ }\r
+ \r
+ }\r
+ gradientComposite.setGradient(new ColorGradient(values,type));\r
+ }\r
+ */\r
+ public ColorGradient getGradient() {\r
+ return new ColorGradient(values,type);\r
+ }\r
+ /*\r
+ public void dispose() {\r
+ for (Image i : images)\r
+ i.dispose();\r
+ if (!table.isDisposed()) {\r
+ for (TableItem item : table.getItems())\r
+ if(!item.isDisposed())\r
+ item.dispose();\r
+ table.dispose();\r
+ }\r
+ }\r
+ */\r
+ public void dispose() {\r
+ for (Image i : images.values())\r
+ i.dispose();\r
+ \r
+ }\r
+ \r
+ public void setGradient(ColorGradient gradient) {\r
+ for (Image i : images.values())\r
+ i.dispose();\r
+ values.clear();\r
+ images.clear();\r
+ type = gradient.getType();\r
+ for (ColorValue value : gradient.getColorValues())\r
+ addColor(value);\r
+ \r
+ }\r
+ \r
+ \r
+// private org.eclipse.swt.graphics.Color getSWTColor(Color color){\r
+// org.eclipse.swt.graphics.Color swtColor = new org.eclipse.swt.graphics.Color(Display.getCurrent(), color.getR(), color.getG(), color.getB()); \r
+// return swtColor;\r
+// }\r
+ \r
+ private RGB getRGB(Color color) {\r
+ RGB rgb = new RGB(color.getR(),color.getG(),color.getB());\r
+ return rgb;\r
+ }\r
+ \r
+ private void modifyColorValueValue(ColorValue cValue, String string) {\r
+ try {\r
+ double d = Double.parseDouble(string);\r
+ values.remove(cValue);\r
+ Image image = images.get(cValue);\r
+ images.remove(cValue);\r
+ ColorValue newCValue = new ColorValue(cValue.getColor(),d);\r
+ values.add(newCValue);\r
+ images.put(newCValue,image);\r
+ updateWidgets();\r
+ \r
+ } catch (NumberFormatException e) {\r
+ return;\r
+ }\r
+ }\r
+ \r
+ private void modifyColorValueColor(ColorValue cValue, RGB rgb) {\r
+ values.remove(cValue);\r
+ Image oldImage = images.get(cValue);\r
+ oldImage.dispose();\r
+ images.remove(cValue);\r
+ \r
+ Color newColor = new Color(rgb.red,rgb.green,rgb.blue);\r
+ ColorValue newCValue = new ColorValue(newColor,cValue.getValue());\r
+ values.add(newCValue);\r
+ Image newImage = ColorIconCreator.createImage(newColor, ICON_WIDTH, ICON_HEIGHT);\r
+ images.put(newCValue,newImage);\r
+ updateWidgets();\r
+ }\r
+ \r
+ /**\r
+ * Enables and disables "Edit color" and "Remove color" buttons depending on selected item\r
+ */\r
+ public void selectionChanged(SelectionChangedEvent event) {\r
+ Object obj = ((IStructuredSelection)event.getSelection()).getFirstElement();\r
+ if (obj == null) {\r
+ editButton.setEnabled(false);\r
+ removeButton.setEnabled(false);\r
+ } else {\r
+ editButton.setEnabled(true);\r
+ removeButton.setEnabled(true);\r
+ }\r
+ }\r
+ \r
+ /*\r
+ * FIXME :\r
+ * If item is opened for editing selectionChanged won't get null selection and\r
+ * "Edit" & "Remove" buttons are enabled when there's no valid selection\r
+ * \r
+ * There seems to be no way to get event when cellEditor is activated...\r
+ */\r
+ \r
+ public void applyEditorValue() {\r
+ // TODO Auto-generated method stub\r
+ editButton.setEnabled(false);\r
+ removeButton.setEnabled(false); \r
+ }\r
+ \r
+ public void cancelEditor() {\r
+ // TODO Auto-generated method stub\r
+ editButton.setEnabled(false);\r
+ removeButton.setEnabled(false); \r
+ }\r
+ \r
+ public void editorValueChanged(boolean oldValidState, boolean newValidState) {\r
+ // TODO Auto-generated method stub\r
+ editButton.setEnabled(false);\r
+ removeButton.setEnabled(false); \r
+ }\r
+ \r
+ public void propertyChange(PropertyChangeEvent event) {\r
+ editButton.setEnabled(false);\r
+ removeButton.setEnabled(false); \r
+ \r
+ }\r
+ /**\r
+ * @author Marko Luukkainen\r
+ *\r
+ */\r
+ private class TableLabelProvider implements ITableLabelProvider {\r
+ private ArrayList<ILabelProviderListener> listeners = new ArrayList<ILabelProviderListener>();\r
+ \r
+ /* (non-Javadoc)\r
+ * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose()\r
+ */\r
+ public void dispose() {\r
+ \r
+ }\r
+ /* (non-Javadoc)\r
+ * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)\r
+ */\r
+ public Image getColumnImage(Object element, int columnIndex) {\r
+ //System.out.println("TableLabelProvider.getColumnImage() " + element + " , " + columnIndex);\r
+ ColorValue value = (ColorValue)element;\r
+ if (columnIndex == 0)\r
+ return images.get(value);\r
+ return null;\r
+ }\r
+ /* (non-Javadoc)\r
+ * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)\r
+ */\r
+ public String getColumnText(Object element, int columnIndex) {\r
+ //System.out.println("TableLabelProvider.getColumnText() " + element + " , " + columnIndex);\r
+ ColorValue value = (ColorValue)element;\r
+ if (columnIndex == 1)\r
+ return Double.toString(value.getValue());\r
+ return null;\r
+ }\r
+ /* (non-Javadoc)\r
+ * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String)\r
+ */\r
+ public boolean isLabelProperty(Object element, String property) {\r
+ return true;\r
+ }\r
+ /* (non-Javadoc)\r
+ * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)\r
+ */\r
+ public void addListener(ILabelProviderListener listener) {\r
+ if(!listeners.contains(listener))\r
+ listeners.add(listener); \r
+ }\r
+ /* (non-Javadoc)\r
+ * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)\r
+ */\r
+ public void removeListener(ILabelProviderListener listener) {\r
+ listeners.remove(listener);\r
+ }\r
+ \r
+ \r
+ }\r
+ \r
+ /**\r
+ * @author Marko Luukkainen\r
+ *\r
+ */\r
+ private class TableContentProvider implements IStructuredContentProvider {\r
+ public void dispose() {\r
+ \r
+ }\r
+ public Object[] getElements(Object inputElement) {\r
+ ColorValue valueArray[] = new ColorValue[values.size()];\r
+ // values.toArray(valueArray);\r
+ // to get correct ordering (smallest last)\r
+ // we must reverse the order of the list\r
+ for (int i = 0; i < values.size(); i++) {\r
+ valueArray[i] = values.get(values.size() - 1 -i);\r
+ }\r
+ //System.out.println("TableContentProvider.getElements() : array size " + valueArray.length);\r
+ return valueArray;\r
+ }\r
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {\r
+ //System.out.println("TableContentProvider.inputChanged()");\r
+ \r
+ }\r
+ }\r
+ \r
+ /**\r
+ * @author Marko Luukkainen\r
+ *\r
+ */\r
+ private class TableCellEditorModifier implements ICellModifier {\r
+ public boolean canModify(Object element, String property) {\r
+ //System.out.println("TableCellEditorModifier.canModify()" + element + " , " + property);\r
+ if (property == VALUE_ID)\r
+ return true;\r
+ // this is commented out because it's hard so select the row when both rows have editors\r
+ // now the color can be changed with "Edit Color" button\r
+ //if (property == COLOR_ID)\r
+ // return true;\r
+ return false;\r
+ }\r
+ public Object getValue(Object element, String property) {\r
+ //System.out.println("TableCellEditorModifier.getValue()" + element + " , " + property);\r
+ if (property == VALUE_ID)\r
+ return Double.toString(((ColorValue)element).getValue());\r
+ if (property == COLOR_ID) \r
+ return getRGB(((ColorValue)element).getColor());\r
+ return null;\r
+ \r
+ }\r
+ public void modify(Object element, String property, Object value) {\r
+ TableItem item = (TableItem)element;\r
+ Object obj = item.getData();\r
+ //System.out.println("TableCellEditorModifier.modify()" + element + " , " + property + " , " + value);\r
+ if (property == VALUE_ID)\r
+ modifyColorValueValue((ColorValue)obj,(String)value);\r
+ if (property == COLOR_ID)\r
+ modifyColorValueColor((ColorValue)obj,(RGB)value);\r
+ }\r
+ \r
+ }\r
+}\r
+\r
+ \r
Code Review / simantics / platform.git / blobdiff