X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.utils.ui.workbench%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fworkbench%2Fdialogs%2FColorDialog.java;fp=bundles%2Forg.simantics.utils.ui.workbench%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fworkbench%2Fdialogs%2FColorDialog.java;h=ab61e6dc7363d2d713a25d3e12ebb6de977617c4;hp=0000000000000000000000000000000000000000;hb=bf75fd9740858140eac90c18f0bca0aea3893248;hpb=21f879fcd72d7749836fb64375094ef29573fe8c

diff --git a/bundles/org.simantics.utils.ui.workbench/src/org/simantics/utils/ui/workbench/dialogs/ColorDialog.java b/bundles/org.simantics.utils.ui.workbench/src/org/simantics/utils/ui/workbench/dialogs/ColorDialog.java
new file mode 100644
index 000000000..ab61e6dc7
--- /dev/null
+++ b/bundles/org.simantics.utils.ui.workbench/src/org/simantics/utils/ui/workbench/dialogs/ColorDialog.java
@@ -0,0 +1,137 @@
+package org.simantics.utils.ui.workbench.dialogs;
+
+import java.io.IOException;
+import java.util.Deque;
+import java.util.LinkedList;
+
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.eclipse.jface.layout.GridLayoutFactory;
+import org.eclipse.jface.preference.IPersistentPreferenceStore;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IMemento;
+import org.eclipse.ui.preferences.ScopedPreferenceStore;
+import org.simantics.utils.ui.ExceptionUtils;
+import org.simantics.utils.ui.color.Color;
+import org.simantics.utils.ui.workbench.StringMemento;
+
+/**
+ * ColorDialog that keeps track used colors.
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public class ColorDialog extends org.simantics.utils.ui.color.ColorDialog{
+	
+	public ColorDialog(Shell parentShell) {
+		super(parentShell);
+	}
+
+    
+    protected Control createDialogArea(Composite parent) {
+    	initRecent();
+    	Composite composite = (Composite)super.createDialogArea(parent);
+		Group recentGroup = new Group(composite, SWT.NONE);
+		recentGroup.setText("Recent colors");
+		GridLayoutFactory.fillDefaults().numColumns(8).spacing(2, 2).margins(4, 4).applyTo(recentGroup);
+		int i = 0;
+		for (Color c : recentColors) {
+			i++;
+			createColorButton(recentGroup, c);
+		}
+		org.eclipse.swt.graphics.Color c = Display.getCurrent().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND);
+		Color color = new Color(c.getRGB());
+		for ( ; i < MAX_RECENT_COLORS; i++) {
+			Button button = createColorButton(recentGroup, color);
+			button.setEnabled(false);
+		}
+		return composite;
+    }
+    
+    @Override
+    protected Point getInitialSize() {
+        return new Point(400, 450);
+    }
+    
+	private static final int MAX_RECENT_COLORS = 8;
+	
+	public static final String  RECENT_COLORS = "RECENT_COLORS";
+
+    private static final String TAG_COLORS                = "color";
+    private static final String R_ATTR_NAME               = "r";
+    private static final String G_ATTR_NAME               = "g";
+    private static final String B_ATTR_NAME               = "b";
+    
+    private static final String PLUGIN_ID = "org.simantics.utils.ui.workbench";
+    
+    protected Deque<Color> recentColors;
+    
+    private void initRecent() {
+    	 IPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, PLUGIN_ID);
+    	 String recentString = store.getString(RECENT_COLORS);
+    	 recentColors = decodeColors(recentString);
+    }
+    
+    private void storeRecent() {
+    	Color color = getColor();
+    	recentColors.remove(color);
+    	recentColors.addFirst(color);
+    	while(recentColors.size() > MAX_RECENT_COLORS)
+    		recentColors.removeLast();
+    	
+    	IPersistentPreferenceStore store = new ScopedPreferenceStore(InstanceScope.INSTANCE, PLUGIN_ID);
+    	store.putValue(RECENT_COLORS, encodeColors(recentColors));
+    	
+    	if (store.needsSaving())
+    		try { 
+    			store.save();
+    		} catch (IOException e) {
+    			ExceptionUtils.logError(e);
+    		}
+    }
+    
+    @Override
+	protected void okPressed() {
+		storeRecent();
+		super.okPressed();
+	}
+    
+    public static Deque<Color> decodeColors(String recentColorsPref) {
+        Deque<Color> result = new LinkedList<Color>();
+        try {
+            StringMemento sm = new StringMemento(recentColorsPref);
+            for (IMemento m : sm.getChildren(TAG_COLORS)) {
+            	try {
+	                int r = m.getInteger(R_ATTR_NAME);
+	                int g = m.getInteger(G_ATTR_NAME);
+	                int b = m.getInteger(B_ATTR_NAME);
+	                Color c = new Color(r, g, b);
+                	result.add(c);
+                } catch (Exception e) {
+                	
+                }
+                
+            }
+        } catch (IllegalArgumentException e) {
+        }
+        return result;
+    }
+    
+    public static String encodeColors(Deque<Color> recentColors) {
+        StringMemento sm = new StringMemento();
+        for (Color c : recentColors) {
+            IMemento m = sm.createChild(TAG_COLORS);
+            m.putInteger(R_ATTR_NAME, c.getR());
+            m.putInteger(G_ATTR_NAME, c.getG());
+            m.putInteger(B_ATTR_NAME, c.getB());
+        }
+        return sm.toString();
+    }
+}