diff options
Diffstat (limited to 'examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/PaintView.java')
| -rwxr-xr-x | examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/PaintView.java | 496 |
1 files changed, 0 insertions, 496 deletions
diff --git a/examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/PaintView.java b/examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/PaintView.java deleted file mode 100755 index 174de42e8d..0000000000 --- a/examples/org.eclipse.swt.examples.paint/src/org/eclipse/swt/examples/paint/PaintView.java +++ /dev/null @@ -1,496 +0,0 @@ -package org.eclipse.swt.examples.paint;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2002. - * This file is made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html
- */
-
-import org.eclipse.jface.action.*;
-import org.eclipse.jface.resource.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.layout.*;
-import org.eclipse.swt.widgets.*;
-import org.eclipse.ui.*;
-import org.eclipse.ui.part.*;
-
-import java.net.*;
-import java.util.*;
-
-/**
- * The view for the paint application.
- * All rendering happens inside the area created by createPartControl().
- *
- * @see ViewPart
- */
-public class PaintView extends ViewPart {
- private Display workbenchDisplay;
-
- // current active settings
- private ToolSettings toolSettings;
-
- // paint surface for drawing
- private PaintSurface paintSurface;
-
- // map action ids to useful data
- private HashMap /* of String to PaintTool */ paintToolMap;
- private HashMap /* of String to Integer */ paintFillTypeMap;
- private HashMap /* of String to Integer */ paintLineStyleMap;
-
- /** UI data **/
- // handle of currently active tool IAction on the UI
- private IAction activeToolAction;
- // handle of currently active filltype IAction on the UI
- private IAction activeFillTypeAction;
- // handle of currently active linetype IAction on the UI
- private IAction activeLineStyleAction;
-
- // handle of active foreground color box Canvas widget
- private Canvas activeForegroundColorCanvas;
- // handle of active background color box Canvas widget
- private Canvas activeBackgroundColorCanvas;
-
- private static final int numPaletteRows = 3;
- private static final int numPaletteCols = 50;
-
- // shared data
- private Color paintColorBlack, paintColorWhite; // alias for paintColors[0] and [1]
- private Color[] paintColors;
- private Font paintDefaultFont; // do not free
-
- /**
- * Constructs a Paint view.
- */
- public PaintView() {
- }
-
- /**
- * Cleanup
- */
- public void dispose() {
- if (paintSurface != null) paintSurface.dispose();
- if (paintColors != null) {
- for (int i = 0; i < paintColors.length; ++i) {
- final Color color = paintColors[i];
- if (color != null) color.dispose();
- }
- }
- paintDefaultFont = null;
- paintColors = null;
- paintSurface = null;
- super.dispose();
- }
-
- /**
- * Called when we must grab focus.
- *
- * @see org.eclipse.ui.part.ViewPart#setFocus
- */
- public void setFocus() {
- paintSurface.setFocus();
- }
-
- /**
- * Creates the example.
- *
- * @see ViewPart#createPartControl
- */
- public void createPartControl(Composite parent) {
- /*** Initialize shared data ***/
- workbenchDisplay = parent.getDisplay();
-
- paintColorWhite = new Color(workbenchDisplay, 255, 255, 255);
- paintColorBlack = new Color(workbenchDisplay, 0, 0, 0);
-
- paintDefaultFont = workbenchDisplay.getSystemFont();
-
- paintColors = new Color[numPaletteCols * numPaletteRows];
- paintColors[0] = paintColorBlack;
- paintColors[1] = paintColorWhite;
- for (int i = 2; i < paintColors.length; i++) {
- paintColors[i] = new Color(workbenchDisplay,
- ((i*7)%255),((i*23)%255), ((i*51)%255));
- }
-
- toolSettings = new ToolSettings();
- toolSettings.commonForegroundColor = paintColorBlack;
- toolSettings.commonBackgroundColor = paintColorWhite;
- toolSettings.commonFont = paintDefaultFont;
-
- /*** Add toolbar contributions ***/
- final IActionBars actionBars = getViewSite().getActionBars();
- IToolBarManager toolbarManager = actionBars.getToolBarManager();
-
- toolbarManager.add(new GroupMarker("group.tools"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.Pencil"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.Airbrush"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.Line"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.PolyLine"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.Rectangle"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.RoundedRectangle"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.Ellipse"));
- toolbarManager.appendToGroup("group.tools", new SelectPaintToolAction("tool.Text"));
- toolbarManager.add(new Separator());
- toolbarManager.add(new GroupMarker("group.options.fill"));
- toolbarManager.appendToGroup("group.options.fill", new SelectFillTypeAction("fill.None"));
- toolbarManager.appendToGroup("group.options.fill", new SelectFillTypeAction("fill.Outline"));
- toolbarManager.appendToGroup("group.options.fill", new SelectFillTypeAction("fill.Solid"));
- toolbarManager.add(new Separator());
- toolbarManager.add(new GroupMarker("group.options.linestyle"));
- toolbarManager.appendToGroup("group.options.linestyle", new SelectLineStyleAction("linestyle.Solid"));
- toolbarManager.appendToGroup("group.options.linestyle", new SelectLineStyleAction("linestyle.Dash"));
- toolbarManager.appendToGroup("group.options.linestyle", new SelectLineStyleAction("linestyle.Dot"));
- toolbarManager.appendToGroup("group.options.linestyle", new SelectLineStyleAction("linestyle.DashDot"));
- toolbarManager.add(new Separator());
- toolbarManager.add(new GroupMarker("group.options"));
- toolbarManager.appendToGroup("group.options", new SelectFontAction("options.Font"));
- actionBars.updateActionBars();
-
- /*** Build GUI ***/
- createGUI(parent);
-
- /*** Set defaults ***/
- setPaintToolByID("tool.Pencil");
- setFillTypeByID("fill.None");
- setLineStyleByID("linestyle.Solid");
- setForegroundColor(paintColorBlack);
- setBackgroundColor(paintColorWhite);
- }
-
- /**
- * Creates the GUI.
- */
- private void createGUI(Composite parent) {
- GridLayout gridLayout;
- GridData gridData;
-
- /*** Create principal GUI layout elements ***/
- Composite displayArea = new Composite(parent, SWT.NONE);
- gridLayout = new GridLayout();
- gridLayout.numColumns = 1;
- displayArea.setLayout(gridLayout);
-
- // Creating these elements here avoids the need to instantiate the GUI elements
- // in strict layout order. The natural layout ordering is an artifact of using
- // SWT layouts, but unfortunately it is not the same order as that required to
- // instantiate all of the non-GUI application elements to satisfy referential
- // dependencies. It is possible to reorder the initialization to some extent, but
- // this can be very tedious.
-
- // paint canvas
- final Canvas paintCanvas = new Canvas(displayArea, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL |
- SWT.NO_REDRAW_RESIZE | SWT.NO_BACKGROUND);
- gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL);
- paintCanvas.setLayoutData(gridData);
- paintCanvas.setBackground(paintColorWhite);
-
- // color selector frame
- final Composite colorFrame = new Composite(displayArea, SWT.NONE);
- gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
- colorFrame.setLayoutData(gridData);
-
- // tool settings frame
- final Composite toolSettingsFrame = new Composite(displayArea, SWT.NONE);
- gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
- toolSettingsFrame.setLayoutData(gridData);
-
- // status text
- final Text statusText = new Text(displayArea, SWT.BORDER | SWT.SINGLE | SWT.READ_ONLY);
- gridData = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL);
- statusText.setLayoutData(gridData);
-
- /*** Create the remaining application elements inside the principal GUI layout elements ***/
- // paintSurface
- paintSurface = new PaintSurface(paintCanvas, statusText, paintColorWhite);
-
- // paintToolMap
- paintToolMap = new HashMap();
- paintToolMap.put("tool.Pencil", new PencilTool(toolSettings, paintSurface));
- paintToolMap.put("tool.Airbrush", new AirbrushTool(toolSettings, paintSurface));
- paintToolMap.put("tool.Line", new LineTool(toolSettings, paintSurface));
- paintToolMap.put("tool.PolyLine", new PolyLineTool(toolSettings, paintSurface));
- paintToolMap.put("tool.Rectangle", new RectangleTool(toolSettings, paintSurface));
- paintToolMap.put("tool.RoundedRectangle", new RoundedRectangleTool(toolSettings, paintSurface));
- paintToolMap.put("tool.Ellipse", new EllipseTool(toolSettings, paintSurface));
- paintToolMap.put("tool.Text", new TextTool(toolSettings, paintSurface));
- paintToolMap.put("tool.Null", null);
-
- // paintFillTypeMap
- paintFillTypeMap = new HashMap();
- paintFillTypeMap.put("fill.None", new Integer(ToolSettings.ftNone));
- paintFillTypeMap.put("fill.Outline", new Integer(ToolSettings.ftOutline));
- paintFillTypeMap.put("fill.Solid", new Integer(ToolSettings.ftSolid));
-
- // paintLineStyleMap
- paintLineStyleMap = new HashMap();
- paintLineStyleMap.put("linestyle.Solid", new Integer(SWT.LINE_SOLID));
- paintLineStyleMap.put("linestyle.Dash", new Integer(SWT.LINE_DASH));
- paintLineStyleMap.put("linestyle.Dot", new Integer(SWT.LINE_DOT));
- paintLineStyleMap.put("linestyle.DashDot", new Integer(SWT.LINE_DASHDOT));
-
- // colorFrame
- gridLayout = new GridLayout();
- gridLayout.numColumns = 3;
- gridLayout.marginHeight = 0;
- gridLayout.marginWidth = 0;
- colorFrame.setLayout(gridLayout);
-
- // activeForegroundColorCanvas, activeBackgroundColorCanvas
- activeForegroundColorCanvas = new Canvas(colorFrame, SWT.BORDER);
- gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
- gridData.heightHint = 24;
- gridData.widthHint = 24;
- activeForegroundColorCanvas.setLayoutData(gridData);
-
- activeBackgroundColorCanvas = new Canvas(colorFrame, SWT.BORDER);
- gridData = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
- gridData.heightHint = 24;
- gridData.widthHint = 24;
- activeBackgroundColorCanvas.setLayoutData(gridData);
-
- // paletteCanvas
- final Canvas paletteCanvas = new Canvas(colorFrame, SWT.BORDER | SWT.NO_BACKGROUND);
- gridData = new GridData(GridData.FILL_HORIZONTAL);
- gridData.heightHint = 24;
- paletteCanvas.setLayoutData(gridData);
- paletteCanvas.addListener(SWT.MouseDown, new Listener() {
- public void handleEvent(Event e) {
- Rectangle bounds = paletteCanvas.getClientArea();
- Color color = getColorAt(bounds, e.x, e.y);
-
- if (e.button == 1) setForegroundColor(color);
- else setBackgroundColor(color);
- }
- private Color getColorAt(Rectangle bounds, int x, int y) {
- if (bounds.height <= 1 && bounds.width <= 1) return paintColorWhite;
- final int row = (y - bounds.y) * numPaletteRows / bounds.height;
- final int col = (x - bounds.x) * numPaletteCols / bounds.width;
- return paintColors[Math.min(Math.max(row * numPaletteCols + col, 0), paintColors.length - 1)];
- }
- });
- Listener refreshListener = new Listener() {
- public void handleEvent(Event e) {
- if (e.gc == null) return;
- Rectangle bounds = paletteCanvas.getClientArea();
- for (int row = 0; row < numPaletteRows; ++row) {
- for (int col = 0; col < numPaletteCols; ++col) {
- final int x = bounds.width * col / numPaletteCols;
- final int y = bounds.height * row / numPaletteRows;
- final int width = Math.max(bounds.width * (col + 1) / numPaletteCols - x, 1);
- final int height = Math.max(bounds.height * (row + 1) / numPaletteRows - y, 1);
- e.gc.setBackground(paintColors[row * numPaletteCols + col]);
- e.gc.fillRectangle(bounds.x + x, bounds.y + y, width, height);
- }
- }
- }
- };
- paletteCanvas.addListener(SWT.Resize, refreshListener);
- paletteCanvas.addListener(SWT.Paint, refreshListener);
- //paletteCanvas.redraw();
-
- // toolSettingsFrame
- gridLayout = new GridLayout();
- gridLayout.numColumns = 4;
- gridLayout.marginHeight = 0;
- gridLayout.marginWidth = 0;
- toolSettingsFrame.setLayout(gridLayout);
-
- Label label = new Label(toolSettingsFrame, SWT.NONE);
- label.setText(PaintPlugin.getResourceString("settings.AirbrushRadius.text"));
-
- final Scale airbrushRadiusScale = new Scale(toolSettingsFrame, SWT.HORIZONTAL);
- airbrushRadiusScale.setMinimum(5);
- airbrushRadiusScale.setMaximum(50);
- airbrushRadiusScale.setSelection(toolSettings.airbrushRadius);
- airbrushRadiusScale.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL));
- airbrushRadiusScale.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent e) {
- toolSettings.airbrushRadius = airbrushRadiusScale.getSelection();
- updateToolSettings();
- }
- });
-
- label = new Label(toolSettingsFrame, SWT.NONE);
- label.setText(PaintPlugin.getResourceString("settings.AirbrushIntensity.text"));
-
- final Scale airbrushIntensityScale = new Scale(toolSettingsFrame, SWT.HORIZONTAL);
- airbrushIntensityScale.setMinimum(1);
- airbrushIntensityScale.setMaximum(100);
- airbrushIntensityScale.setSelection(toolSettings.airbrushIntensity);
- airbrushIntensityScale.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL));
- airbrushIntensityScale.addSelectionListener(new SelectionAdapter() {
- public void widgetSelected(SelectionEvent e) {
- toolSettings.airbrushIntensity = airbrushIntensityScale.getSelection();
- updateToolSettings();
- }
- });
- }
-
- /**
- * Notifies the tool that its settings have changed.
- */
- private void updateToolSettings() {
- final PaintTool activePaintTool = paintSurface.getPaintTool();
- if (activePaintTool == null) return;
-
- activePaintTool.endSession();
- activePaintTool.set(toolSettings);
- activePaintTool.beginSession();
- }
-
- /**
- * Sets the tool foreground color.
- *
- * @param color the new color to use
- */
- public void setForegroundColor(Color color) {
- if (activeForegroundColorCanvas != null)
- activeForegroundColorCanvas.setBackground(color);
- toolSettings.commonForegroundColor = color;
- updateToolSettings();
- }
-
- /**
- * Set the tool background color.
- *
- * @param color the new color to use
- */
- public void setBackgroundColor(Color color) {
- if (activeBackgroundColorCanvas != null)
- activeBackgroundColorCanvas.setBackground(color);
- toolSettings.commonBackgroundColor = color;
- updateToolSettings();
- }
-
- /**
- * Selects a tool given its ID.
- */
- public void setPaintToolByID(String id) {
- activeToolAction = handleRadioAction(activeToolAction, id);
-
- final PaintTool paintTool = (PaintTool) paintToolMap.get(id);
- paintSurface.setPaintSession(paintTool);
- updateToolSettings();
- }
-
- /**
- * Selects a filltype given its ID.
- */
- public void setFillTypeByID(String id) {
- activeFillTypeAction = handleRadioAction(activeFillTypeAction, id);
-
- final Integer fillType = (Integer) paintFillTypeMap.get(id);
- toolSettings.commonFillType = fillType.intValue();
- updateToolSettings();
- }
-
- /**
- * Selects line type given its ID.
- */
- public void setLineStyleByID(String id) {
- activeLineStyleAction = handleRadioAction(activeLineStyleAction, id);
-
- final Integer lineType = (Integer) paintLineStyleMap.get(id);
- toolSettings.commonLineStyle = lineType.intValue();
- updateToolSettings();
- }
-
- /**
- * Gets the IAction for an ID belonging to a set of mutually exclusive actions, and
- * toggles the old action off if necessary.
- */
- private IAction handleRadioAction(IAction oldAction, String id) {
- IAction action = getActionByID(id);
- if (action != null) {
- if (oldAction != null) oldAction.setChecked(false);
- if (! action.isChecked()) action.setChecked(true);
- return action;
- }
- return oldAction;
- }
-
- /**
- * Gets the IAction representing the UI toolbar button with the specified ID.
- */
- private IAction getActionByID(String id) {
- final IActionBars actionBars = getViewSite().getActionBars();
- IToolBarManager toolbarManager = actionBars.getToolBarManager();
- ActionContributionItem contributionItem = (ActionContributionItem) toolbarManager.find(id);
- if (contributionItem == null) return null;
- return contributionItem.getAction();
- }
-
- /**
- * Returns the Display.
- *
- * @return the display we're using
- */
- public Display getDisplay() {
- return workbenchDisplay;
- }
-
- /**
- * Action set glue.
- */
- abstract class PaintAction extends Action {
- public PaintAction(String id) {
- super();
- setId(id);
-
- try {
- final URL installUrl = PaintPlugin.getDefault().getDescriptor().getInstallURL();
- final URL imageUrl = new URL(installUrl, PaintPlugin.getResourceString(id + ".image"));
- setImageDescriptor(ImageDescriptor.createFromURL(imageUrl));
- } catch (MalformedURLException e) {
- PaintPlugin.logError("", e);
- }
-
- setText(PaintPlugin.getResourceString(id + ".label"));
- setToolTipText(PaintPlugin.getResourceString(id + ".tooltip"));
- setDescription(PaintPlugin.getResourceString(id + ".description"));
- }
- }
- class SelectPaintToolAction extends PaintAction {
- public SelectPaintToolAction(String id) { super(id); }
- public int getStyle() { return IAction.AS_CHECK_BOX; }
- public void run() { setPaintToolByID(getId()); }
-
- }
- class SelectFillTypeAction extends PaintAction {
- public SelectFillTypeAction(String id) { super(id); }
- public int getStyle() { return IAction.AS_CHECK_BOX; }
- public void run() { setFillTypeByID(getId()); }
- }
- class SelectLineStyleAction extends PaintAction {
- public SelectLineStyleAction(String id) { super(id); }
- public int getStyle() { return IAction.AS_CHECK_BOX; }
- public void run() { setLineStyleByID(getId()); }
- }
- class SelectFontAction extends PaintAction {
- public SelectFontAction(String id) { super(id); }
- public int getStyle() { return IAction.AS_PUSH_BUTTON; }
- public void run() {
- FontDialog fontDialog = new FontDialog(paintSurface.getShell(), SWT.PRIMARY_MODAL);
- FontData[] fontDatum = toolSettings.commonFont.getFontData();
- if (fontDatum != null && fontDatum.length > 0) {
- fontDialog.setFontData(fontDatum[0]);
- }
- fontDialog.setText(PaintPlugin.getResourceString("options.Font.dialog.title"));
-
- paintSurface.hideRubberband();
- FontData fontData = fontDialog.open();
- paintSurface.showRubberband();
- if (fontData != null) {
- try {
- Font font = new Font(workbenchDisplay, fontData);
- toolSettings.commonFont = font;
- updateToolSettings();
- } catch (SWTException e) {
- }
- }
- }
- }
-}
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