Merge branch 'development' of https://gitlab.lrz.de/lrr-tum/students/eragp-misim...

[Mograsim.git] / net.mograsim.logic.ui / src / net / mograsim / logic / ui / serializing / snippets / symbolrenderers / CenteredTextSymbolRenderer.java

diff --git a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/snippets/symbolrenderers/CenteredTextSymbolRenderer.java b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/snippets/symbolrenderers/CenteredTextSymbolRenderer.java
new file mode 100644 (file)
index 0000000..2309f14
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+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/snippets/symbolrenderers/CenteredTextSymbolRenderer.java
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+package net.mograsim.logic.ui.serializing.snippets.symbolrenderers;
+
+import net.haspamelodica.swt.helper.gcs.GeneralGC;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
+import net.mograsim.logic.ui.model.components.GUIComponent;
+import net.mograsim.logic.ui.model.components.submodels.SubmodelComponent;
+import net.mograsim.logic.ui.serializing.CodeSnippetSupplier;
+import net.mograsim.logic.ui.serializing.snippets.Renderer;
+import net.mograsim.logic.ui.serializing.snippets.SnippetSupplier;
+import net.mograsim.preferences.ColorDefinition;
+import net.mograsim.preferences.ColorManager;
+import net.mograsim.preferences.Preferences;
+
+/**
+ * Renders a text (<code>"text"</code>) with a given font height (<code>"height"</code>) in the center of the component.
+ * 
+ * @author Daniel Kirschten
+ */
+public class CenteredTextSymbolRenderer implements Renderer
+{
+       private final GUIComponent component;
+       private final CenteredTextParams params;
+
+       public CenteredTextSymbolRenderer(SubmodelComponent component, CenteredTextParams params)
+       {
+               this.component = component;
+               this.params = params;
+
+       }
+
+       @Override
+       public void render(GeneralGC gc, Rectangle visibleRegion)
+       {
+               Font oldFont = gc.getFont();
+               gc.setFont(new Font(oldFont.getName(), params.fontHeight, oldFont.getStyle()));
+               ColorDefinition fg = Preferences.current().getColorDefinition("net.mograsim.logic.ui.color.text");
+               if (fg != null)
+                       gc.setForeground(ColorManager.current().toColor(fg));
+               Point idSize = gc.textExtent(params.text);
+               Rectangle bounds = component.getBounds();
+               gc.drawText(params.text, bounds.x + (bounds.width - idSize.x) / 2, bounds.y + (bounds.height - idSize.y) / 2, true);
+               gc.setFont(oldFont);
+       }
+
+       public static class CenteredTextParams
+       {
+               public String text;
+               public double fontHeight;
+       }
+
+       static
+       {
+               CodeSnippetSupplier.symbolRendererProviderSupplier.setSnippetProvider(CenteredTextSymbolRenderer.class.getCanonicalName(),
+                               SnippetSupplier.create(CenteredTextParams.class, CenteredTextSymbolRenderer::new));
+       }
+}
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