refs #9

- remembers zoom factor
- applies zoom on all editors

Change-Id: Iea37e8c4c13f11eef098a23d322877bbd29ab4c9

2 files changed, 14 insertions, 2 deletions

diff --git a/bundles/code/org.eclipse.fx.code.editor.fx/src/org/eclipse/fx/code/editor/fx/TextEditor.java b/bundles/code/org.eclipse.fx.code.editor.fx/src/org/eclipse/fx/code/editor/fx/TextEditor.java
index 41779b290..c0026c295 100644
--- a/bundles/code/org.eclipse.fx.code.editor.fx/src/org/eclipse/fx/code/editor/fx/TextEditor.java
+++ b/bundles/code/org.eclipse.fx.code.editor.fx/src/org/eclipse/fx/code/editor/fx/TextEditor.java
@@ -132,6 +132,13 @@ public class TextEditor {
 		}
 	}
 
+	@Inject
+	public void setZoomFactor(@Preference(nodePath=Constants.PREFERENCE_NODE_PATH, key=Constants.PREFERENCE_ZOOMFACTOR, defaultValue="1.0") double zoomFactor) {
+		if( viewer != null ) {
+			viewer.getTextWidget().setFontZoomFactor(zoomFactor);
+		}
+	}
+
 	public void setInput(Input<?> input) {
 		if( viewer != null ) {
 			throw new IllegalArgumentException("The input has to be set before the editor is initialized");
@@ -154,7 +161,8 @@ public class TextEditor {
 			SourceViewerConfiguration configuration,
 			IDocumentPartitioner partitioner,
 			Input<?> input,
-			@Optional @ContextValue("activeInput") Property<Input<?>> activeInput) {
+			@Optional @ContextValue("activeInput") Property<Input<?>> activeInput,
+			@Preference(nodePath=Constants.PREFERENCE_NODE_PATH, key=Constants.PREFERENCE_ZOOMFACTOR, defaultValue="1.0") Property<Double> zoomFactor) {
 		setContextMenuProvider(contextMenuProvider);
 		setContextInformationPresenter(contextInformationPresenter);
 		setEditingContext(editingContext);
@@ -185,6 +193,10 @@ public class TextEditor {
 		if( activeInput != null ) {
 			activeInput.setValue(input);
 		}
+		viewer.getTextWidget().setFontZoomFactor(zoomFactor.getValue() != null ? zoomFactor.getValue() : 1.0);
+		viewer.getTextWidget().fontZoomFactorProperty().addListener( (o,ol,ne) -> {
+			zoomFactor.setValue(ne.doubleValue());
+		});
 
 		eventBus.subscribe(Constants.TOPIC_SELECT_SOURCE, EventBus.data(this::onSourceSelect));
 
diff --git a/bundles/code/org.eclipse.fx.code.editor/src/org/eclipse/fx/code/editor/Constants.java b/bundles/code/org.eclipse.fx.code.editor/src/org/eclipse/fx/code/editor/Constants.java
index b73806261..9496938fc 100644
--- a/bundles/code/org.eclipse.fx.code.editor/src/org/eclipse/fx/code/editor/Constants.java
+++ b/bundles/code/org.eclipse.fx.code.editor/src/org/eclipse/fx/code/editor/Constants.java
@@ -38,5 +38,5 @@ public class Constants {
 	public static final String PREFERENCE_KEY_EDITOR_FEATURE = "editorFeatures";
 	public static final String PREFERENCE_TAB_ADVANCE = "tabAdvance";
 	public static final String PREFERENCE_SPACES_FOR_TAB = "spacesForTab";
-
+	public static final String PREFERENCE_ZOOMFACTOR = "zoomFactor";
 }