X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.utils.ui%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fcolor%2FColorGradientComposite.java;fp=bundles%2Forg.simantics.utils.ui%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fcolor%2FColorGradientComposite.java;h=3b434942f99d38a8b49af33dfff10653804ebc3c;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08 diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorGradientComposite.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorGradientComposite.java new file mode 100644 index 000000000..3b434942f --- /dev/null +++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorGradientComposite.java @@ -0,0 +1,548 @@ +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * 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: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.utils.ui.color; + + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; + +import org.eclipse.jface.util.IPropertyChangeListener; +import org.eclipse.jface.util.PropertyChangeEvent; +import org.eclipse.jface.viewers.CellEditor; +import org.eclipse.jface.viewers.ColorCellEditor; +import org.eclipse.jface.viewers.ICellEditorListener; +import org.eclipse.jface.viewers.ICellModifier; +import org.eclipse.jface.viewers.ILabelProviderListener; +import org.eclipse.jface.viewers.ISelectionChangedListener; +import org.eclipse.jface.viewers.IStructuredContentProvider; +import org.eclipse.jface.viewers.IStructuredSelection; +import org.eclipse.jface.viewers.ITableLabelProvider; +import org.eclipse.jface.viewers.SelectionChangedEvent; +import org.eclipse.jface.viewers.TableViewer; +import org.eclipse.jface.viewers.TextCellEditor; +import org.eclipse.jface.viewers.Viewer; +import org.eclipse.swt.SWT; +import org.eclipse.swt.events.SelectionEvent; +import org.eclipse.swt.events.SelectionListener; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.graphics.RGB; +import org.eclipse.swt.layout.FillLayout; +import org.eclipse.swt.layout.FormAttachment; +import org.eclipse.swt.layout.FormData; +import org.eclipse.swt.layout.FormLayout; +import org.eclipse.swt.widgets.Button; +import org.eclipse.swt.widgets.ColorDialog; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Group; +import org.eclipse.swt.widgets.Label; +import org.eclipse.swt.widgets.Table; +import org.eclipse.swt.widgets.TableColumn; +import org.eclipse.swt.widgets.TableItem; + +/** + * Widget to create and edit color gradients + * + * @author Marko Luukkainen + * + */ +public class ColorGradientComposite extends Composite implements ISelectionChangedListener, ICellEditorListener, IPropertyChangeListener{ + private static int ICON_WIDTH = 36; + private static int ICON_HEIGHT = 14; + + private static final String COLOR_ID = "Color"; + private static final String VALUE_ID = "Value"; + + + private ColorGradientCanvas gradientComposite; + //private Table table; + private TableViewer viewer; + private Button addButton; + private Button editButton; + private Button removeButton; + private Button rgbButton; + private Button hsvButton; + private int type = ColorGradient.RGB; + + private ArrayList values = new ArrayList(); + //private ArrayList images = new ArrayList(); + //private HashMap items = new HashMap(); + private HashMap images = new HashMap(); + + + + public ColorGradientComposite(Composite parent, int style) { + super(parent,style); + FormLayout layout = new FormLayout(); + this.setLayout(layout); + gradientComposite = new ColorGradientCanvas(this,SWT.HORIZONTAL); + + Group typeComposite = new Group(this,SWT.NONE); + typeComposite.setText("Color interpolation type"); + + typeComposite.setLayout(new FillLayout(SWT.HORIZONTAL)); + Label rgbLabel = new Label(typeComposite,SWT.NONE); + rgbLabel.setText("RGB"); + rgbButton = new Button(typeComposite,SWT.RADIO); + rgbButton.setSelection(true); + rgbButton.addSelectionListener(new SelectionListener() { + public void widgetDefaultSelected(SelectionEvent e) { + widgetSelected(e); + } + public void widgetSelected(SelectionEvent e) { + rgbButton.setSelection(true); + hsvButton.setSelection(false); + type = ColorGradient.RGB; + gradientComposite.setGradient(new ColorGradient(values,type)); + } + }); + Label hsvLabel = new Label(typeComposite,SWT.NONE); + hsvLabel.setText("HSV"); + hsvButton = new Button(typeComposite,SWT.RADIO); + hsvButton.addSelectionListener(new SelectionListener() { + public void widgetDefaultSelected(SelectionEvent e) { + widgetSelected(e); + } + public void widgetSelected(SelectionEvent e) { + hsvButton.setSelection(true); + rgbButton.setSelection(false); + type = ColorGradient.HSV; + gradientComposite.setGradient(new ColorGradient(values,type)); + } + }); + viewer = new TableViewer(this,SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION); + //table = new Table(this,SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER); + final Table table = viewer.getTable(); + table.setLinesVisible(true); + table.setHeaderVisible(true); + + viewer.addSelectionChangedListener(this); + viewer.addPostSelectionChangedListener(this); + + TableColumn column = new TableColumn(table,SWT.RIGHT); + column.setText("Color"); + column.setWidth(40); + column.setMoveable(false); + column.setResizable(false); + column = new TableColumn(table,SWT.LEFT); + column.setText("Value"); + column.setWidth(300); + column.setMoveable(false); + + viewer.setColumnProperties(new String[]{COLOR_ID,VALUE_ID}); + + viewer.setLabelProvider(new TableLabelProvider()); + viewer.setContentProvider(new TableContentProvider()); + viewer.setInput(values); + + final ColorCellEditor colorEditor = new ColorCellEditor(table); + final TextCellEditor valueEditor = new TextCellEditor(table); + colorEditor.addListener(this); + valueEditor.addListener(this); + valueEditor.addPropertyChangeListener(this); + viewer.setCellEditors(new CellEditor[]{colorEditor,valueEditor}); + + viewer.setCellModifier(new TableCellEditorModifier()); + + + Composite buttonComposite = new Composite(this,SWT.NONE); + + + buttonComposite.setLayout(new FillLayout(SWT.HORIZONTAL)); + + addButton = new Button(buttonComposite,SWT.PUSH); + addButton.setText("Add new color"); + addButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { + public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { + ColorDialog dialog = new ColorDialog(ColorGradientComposite.this.getShell(), SWT.NONE); + + RGB rgb = dialog.open(); + if (rgb != null) { + Color c = new Color(rgb.red,rgb.green,rgb.blue); + Double value; + if (values.size() == 0) { + value = 0.0; + } else if (values.size() == 1) { + value = 100.0; + } else { + // FIXME : insert some logic here + value = 100.0 * Math.random(); + } + + addColor(c,value); + } + } + }); + editButton = new Button(buttonComposite,SWT.PUSH); + editButton.setText("Edit color"); + editButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { + public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { + TableItem selection[] = table.getSelection(); + if (selection.length > 0) { + TableItem selected = selection[0]; + Object obj = selected.getData(); + if (obj instanceof ColorValue) { + ColorDialog dialog = new ColorDialog(ColorGradientComposite.this.getShell(), SWT.NONE); + dialog.setRGB(getRGB(((ColorValue)obj).getColor())); + RGB rgb = dialog.open(); + if (rgb != null) { + modifyColorValueColor((ColorValue)obj,rgb); + } + } + } + } + }); + editButton.setEnabled(false); + removeButton = new Button(buttonComposite,SWT.PUSH); + removeButton.setText("Remove color"); + removeButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { + public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { + TableItem selection[] = table.getSelection(); + if (selection.length > 0) { + TableItem selected = selection[0]; + Object o = selected.getData(); + if (o instanceof ColorValue) { + Image i = images.get(o); + i.dispose(); + images.remove(o); + values.remove(o); + updateWidgets(); + } + } + } + }); + removeButton.setEnabled(false); + + FormData gradientData = new FormData(); + gradientData.top = new FormAttachment(0,0); + gradientData.left = new FormAttachment(0,0); + gradientData.right = new FormAttachment(100,0); + gradientData.height = 40; + gradientComposite.setLayoutData(gradientData); + + FormData typeData = new FormData(); + typeData.left = new FormAttachment(0,0); + typeData.right = new FormAttachment(100,0); + typeData.top = new FormAttachment(gradientComposite,0,SWT.BOTTOM); + typeData.height = 20; + typeComposite.setLayoutData(typeData); + + FormData buttonData = new FormData(); + buttonData.left = new FormAttachment(0,0); + buttonData.right = new FormAttachment(100,0); + buttonData.bottom = new FormAttachment(100,0); + buttonData.height = 30; + buttonComposite.setLayoutData(buttonData); + + FormData viewerData = new FormData(); + viewerData.top = new FormAttachment(typeComposite,0,SWT.BOTTOM); + viewerData.left = new FormAttachment(0,0); + viewerData.right = new FormAttachment(100,0); + viewerData.bottom = new FormAttachment(buttonComposite,0,SWT.TOP); + table.setLayoutData(viewerData); + + + } + /* + private void addColorValueToTable(ColorValue value) { + TableItem item = new TableItem(table,SWT.NONE); + item.setText(Double.toString(value.getValue())); + Image image = ColorIconCreator.createImage(value.getColor(), 14); + item.setImage(image); + images.add(image); + items.put(item,value); + } + */ + /* + private void sortItems() { + for (Image i : images) + i.dispose(); + for (TableItem item : table.getItems()) + if(!item.isDisposed()) + item.dispose(); + items.clear(); + Collections.sort(values,new ColorValueComparator()); + for (ColorValue value : values) { + addColorValueToTable(value); + } + } + */ + public void addColor(Color color, double value) { + addColor(new ColorValue(color,value)); + } + + public void addColor(ColorValue value) { + values.add(value); + Image image = ColorIconCreator.createImage(value.getColor(), ICON_WIDTH, ICON_HEIGHT); + images.put(value,image); + updateWidgets(); + //viewer.refresh(true); + } + + private void updateWidgets() { + Collections.sort(values,new ColorValueComparator()); + gradientComposite.setGradient(new ColorGradient(values,type)); + viewer.refresh(); + + } + /* + public void addColor(ColorValue value) { + values.add(value); + sortItems(); + // sortItem creates new menuitems, which makes selectedItem disposed + for (TableItem item : items.keySet() ) { + if (items.get(item) == value) { + gradientComposite.setGradient(new ColorGradient(values,type)); + return; + } + + } + gradientComposite.setGradient(new ColorGradient(values,type)); + } + */ + public ColorGradient getGradient() { + return new ColorGradient(values,type); + } + /* + public void dispose() { + for (Image i : images) + i.dispose(); + if (!table.isDisposed()) { + for (TableItem item : table.getItems()) + if(!item.isDisposed()) + item.dispose(); + table.dispose(); + } + } + */ + public void dispose() { + for (Image i : images.values()) + i.dispose(); + + } + + public void setGradient(ColorGradient gradient) { + for (Image i : images.values()) + i.dispose(); + values.clear(); + images.clear(); + type = gradient.getType(); + for (ColorValue value : gradient.getColorValues()) + addColor(value); + + } + + +// private org.eclipse.swt.graphics.Color getSWTColor(Color color){ +// org.eclipse.swt.graphics.Color swtColor = new org.eclipse.swt.graphics.Color(Display.getCurrent(), color.getR(), color.getG(), color.getB()); +// return swtColor; +// } + + private RGB getRGB(Color color) { + RGB rgb = new RGB(color.getR(),color.getG(),color.getB()); + return rgb; + } + + private void modifyColorValueValue(ColorValue cValue, String string) { + try { + double d = Double.parseDouble(string); + values.remove(cValue); + Image image = images.get(cValue); + images.remove(cValue); + ColorValue newCValue = new ColorValue(cValue.getColor(),d); + values.add(newCValue); + images.put(newCValue,image); + updateWidgets(); + + } catch (NumberFormatException e) { + return; + } + } + + private void modifyColorValueColor(ColorValue cValue, RGB rgb) { + values.remove(cValue); + Image oldImage = images.get(cValue); + oldImage.dispose(); + images.remove(cValue); + + Color newColor = new Color(rgb.red,rgb.green,rgb.blue); + ColorValue newCValue = new ColorValue(newColor,cValue.getValue()); + values.add(newCValue); + Image newImage = ColorIconCreator.createImage(newColor, ICON_WIDTH, ICON_HEIGHT); + images.put(newCValue,newImage); + updateWidgets(); + } + + /** + * Enables and disables "Edit color" and "Remove color" buttons depending on selected item + */ + public void selectionChanged(SelectionChangedEvent event) { + Object obj = ((IStructuredSelection)event.getSelection()).getFirstElement(); + if (obj == null) { + editButton.setEnabled(false); + removeButton.setEnabled(false); + } else { + editButton.setEnabled(true); + removeButton.setEnabled(true); + } + } + + /* + * FIXME : + * If item is opened for editing selectionChanged won't get null selection and + * "Edit" & "Remove" buttons are enabled when there's no valid selection + * + * There seems to be no way to get event when cellEditor is activated... + */ + + public void applyEditorValue() { + // TODO Auto-generated method stub + editButton.setEnabled(false); + removeButton.setEnabled(false); + } + + public void cancelEditor() { + // TODO Auto-generated method stub + editButton.setEnabled(false); + removeButton.setEnabled(false); + } + + public void editorValueChanged(boolean oldValidState, boolean newValidState) { + // TODO Auto-generated method stub + editButton.setEnabled(false); + removeButton.setEnabled(false); + } + + public void propertyChange(PropertyChangeEvent event) { + editButton.setEnabled(false); + removeButton.setEnabled(false); + + } + /** + * @author Marko Luukkainen + * + */ + private class TableLabelProvider implements ITableLabelProvider { + private ArrayList listeners = new ArrayList(); + + /* (non-Javadoc) + * @see org.eclipse.jface.viewers.IBaseLabelProvider#dispose() + */ + public void dispose() { + + } + /* (non-Javadoc) + * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int) + */ + public Image getColumnImage(Object element, int columnIndex) { + //System.out.println("TableLabelProvider.getColumnImage() " + element + " , " + columnIndex); + ColorValue value = (ColorValue)element; + if (columnIndex == 0) + return images.get(value); + return null; + } + /* (non-Javadoc) + * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int) + */ + public String getColumnText(Object element, int columnIndex) { + //System.out.println("TableLabelProvider.getColumnText() " + element + " , " + columnIndex); + ColorValue value = (ColorValue)element; + if (columnIndex == 1) + return Double.toString(value.getValue()); + return null; + } + /* (non-Javadoc) + * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String) + */ + public boolean isLabelProperty(Object element, String property) { + return true; + } + /* (non-Javadoc) + * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) + */ + public void addListener(ILabelProviderListener listener) { + if(!listeners.contains(listener)) + listeners.add(listener); + } + /* (non-Javadoc) + * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) + */ + public void removeListener(ILabelProviderListener listener) { + listeners.remove(listener); + } + + + } + + /** + * @author Marko Luukkainen + * + */ + private class TableContentProvider implements IStructuredContentProvider { + public void dispose() { + + } + public Object[] getElements(Object inputElement) { + ColorValue valueArray[] = new ColorValue[values.size()]; + // values.toArray(valueArray); + // to get correct ordering (smallest last) + // we must reverse the order of the list + for (int i = 0; i < values.size(); i++) { + valueArray[i] = values.get(values.size() - 1 -i); + } + //System.out.println("TableContentProvider.getElements() : array size " + valueArray.length); + return valueArray; + } + public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { + //System.out.println("TableContentProvider.inputChanged()"); + + } + } + + /** + * @author Marko Luukkainen + * + */ + private class TableCellEditorModifier implements ICellModifier { + public boolean canModify(Object element, String property) { + //System.out.println("TableCellEditorModifier.canModify()" + element + " , " + property); + if (property == VALUE_ID) + return true; + // this is commented out because it's hard so select the row when both rows have editors + // now the color can be changed with "Edit Color" button + //if (property == COLOR_ID) + // return true; + return false; + } + public Object getValue(Object element, String property) { + //System.out.println("TableCellEditorModifier.getValue()" + element + " , " + property); + if (property == VALUE_ID) + return Double.toString(((ColorValue)element).getValue()); + if (property == COLOR_ID) + return getRGB(((ColorValue)element).getColor()); + return null; + + } + public void modify(Object element, String property, Object value) { + TableItem item = (TableItem)element; + Object obj = item.getData(); + //System.out.println("TableCellEditorModifier.modify()" + element + " , " + property + " , " + value); + if (property == VALUE_ID) + modifyColorValueValue((ColorValue)obj,(String)value); + if (property == COLOR_ID) + modifyColorValueColor((ColorValue)obj,(RGB)value); + } + + } +} + +