Sync git svn branch with SVN repository r33290.

[simantics/platform.git] / bundles / org.simantics.tests.modelled.ui / src / org / simantics / tests / modelled / ui / RedGreenBar.java

diff --git a/bundles/org.simantics.tests.modelled.ui/src/org/simantics/tests/modelled/ui/RedGreenBar.java b/bundles/org.simantics.tests.modelled.ui/src/org/simantics/tests/modelled/ui/RedGreenBar.java
new file mode 100644 (file)
index 0000000..9812549
--- /dev/null
+++ b/bundles/org.simantics.tests.modelled.ui/src/org/simantics/tests/modelled/ui/RedGreenBar.java
@@ -0,0 +1,54 @@
+package org.simantics.tests.modelled.ui;\r
+\r
+import java.text.DecimalFormat;\r
+\r
+import org.eclipse.jface.resource.ImageDescriptor;\r
+import org.eclipse.swt.graphics.Image;\r
+import org.eclipse.swt.widgets.Event;\r
+import org.simantics.scl.compiler.module.coverage.Coverage;\r
+\r
+public final class RedGreenBar {\r
+\r
+    private static final int BORDER_LEFT = 2;\r
+    private static final int BORDER_RIGHT = 10;\r
+    private static final int BORDER_TOP = 3;\r
+    private static final int BORDER_BOTTOM = 4;\r
+\r
+    private static final String MAX_PERCENTAGE_STRING = new DecimalFormat("0.0 %").format(1.0);\r
+    \r
+    private static final ImageDescriptor redbar = Activator.getImageDescriptor("icons/redbar.gif"); //$NON-NLS-1$\r
+    private static final ImageDescriptor greenbar = Activator.getImageDescriptor("icons/greenbar.gif"); //$NON-NLS-1$\r
+    private static Image redbarIcon = Activator.createManagedImage(redbar);\r
+    private static Image greenbarIcon = Activator.createManagedImage(greenbar);\r
+    \r
+    private RedGreenBar() {\r
+    }\r
+\r
+//    public static void draw(Event event, int columnWith, ICounter counter) {\r
+//        draw(event, columnWith, counter, counter.getTotalCount());\r
+//    }\r
+\r
+    public static void draw(Event event, int columnWith, Coverage coverage) {\r
+        int maxTotal = coverage.getTotalCodeSize();\r
+        if (maxTotal == 0)\r
+            return;\r
+        final int maxWidth = getMaxWidth(event, columnWith);\r
+        final int redLength = maxWidth * coverage.getMissedCodeSize() / maxTotal;\r
+        bar(event, redbarIcon, 0, redLength);\r
+        final int greenLength = maxWidth * coverage.getCoveredCodeSize() / maxTotal;\r
+        bar(event, greenbarIcon, redLength, greenLength);\r
+    }\r
+\r
+    private static void bar(Event event, Image image, int xOffset, int width) {\r
+        final int height = event.getBounds().height - BORDER_TOP - BORDER_BOTTOM;\r
+        event.gc.drawImage(image, 0, 0, 1, 10, event.x + xOffset + BORDER_LEFT,\r
+                event.y + BORDER_TOP, width, height);\r
+    }\r
+\r
+    private static int getMaxWidth(Event event, int columnWith) {\r
+        final int textWidth = event.gc.textExtent(MAX_PERCENTAGE_STRING).x;\r
+        final int max = columnWith - BORDER_LEFT - BORDER_RIGHT - textWidth;\r
+        return Math.max(0, max);\r
+    }\r
+\r
+}
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