X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.tests.modelled.ui%2Fsrc%2Forg%2Fsimantics%2Ftests%2Fmodelled%2Fui%2FRedGreenBar.java;fp=bundles%2Forg.simantics.tests.modelled.ui%2Fsrc%2Forg%2Fsimantics%2Ftests%2Fmodelled%2Fui%2FRedGreenBar.java;h=9812549501bd5396c4e7d3cdf6b63b82b19081b2;hp=0000000000000000000000000000000000000000;hb=3b5069d0d30e7de27f73d88d5e89d29052291a34;hpb=bf75fd9740858140eac90c18f0bca0aea3893248

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
index 000000000..981254950
--- /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;
+
+import java.text.DecimalFormat;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Event;
+import org.simantics.scl.compiler.module.coverage.Coverage;
+
+public final class RedGreenBar {
+
+    private static final int BORDER_LEFT = 2;
+    private static final int BORDER_RIGHT = 10;
+    private static final int BORDER_TOP = 3;
+    private static final int BORDER_BOTTOM = 4;
+
+    private static final String MAX_PERCENTAGE_STRING = new DecimalFormat("0.0 %").format(1.0);
+    
+    private static final ImageDescriptor redbar = Activator.getImageDescriptor("icons/redbar.gif"); //$NON-NLS-1$
+    private static final ImageDescriptor greenbar = Activator.getImageDescriptor("icons/greenbar.gif"); //$NON-NLS-1$
+    private static Image redbarIcon = Activator.createManagedImage(redbar);
+    private static Image greenbarIcon = Activator.createManagedImage(greenbar);
+    
+    private RedGreenBar() {
+    }
+
+//    public static void draw(Event event, int columnWith, ICounter counter) {
+//        draw(event, columnWith, counter, counter.getTotalCount());
+//    }
+
+    public static void draw(Event event, int columnWith, Coverage coverage) {
+        int maxTotal = coverage.getTotalCodeSize();
+        if (maxTotal == 0)
+            return;
+        final int maxWidth = getMaxWidth(event, columnWith);
+        final int redLength = maxWidth * coverage.getMissedCodeSize() / maxTotal;
+        bar(event, redbarIcon, 0, redLength);
+        final int greenLength = maxWidth * coverage.getCoveredCodeSize() / maxTotal;
+        bar(event, greenbarIcon, redLength, greenLength);
+    }
+
+    private static void bar(Event event, Image image, int xOffset, int width) {
+        final int height = event.getBounds().height - BORDER_TOP - BORDER_BOTTOM;
+        event.gc.drawImage(image, 0, 0, 1, 10, event.x + xOffset + BORDER_LEFT,
+                event.y + BORDER_TOP, width, height);
+    }
+
+    private static int getMaxWidth(Event event, int columnWith) {
+        final int textWidth = event.gc.textExtent(MAX_PERCENTAGE_STRING).x;
+        final int max = columnWith - BORDER_LEFT - BORDER_RIGHT - textWidth;
+        return Math.max(0, max);
+    }
+
+}
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