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Initial support for ace editor theme preview
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50 changes: 50 additions & 0 deletions
50
src/gwt/src/org/rstudio/core/client/widget/DynamicIFrame.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package org.rstudio.core.client.widget; | ||
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| import com.google.gwt.core.client.GWT; | ||
| import com.google.gwt.dom.client.Document; | ||
| import com.google.gwt.resources.client.ClientBundle; | ||
| import com.google.gwt.user.client.ui.Frame; | ||
| import org.rstudio.core.client.dom.IFrameElementEx; | ||
| import org.rstudio.core.client.dom.WindowEx; | ||
| import org.rstudio.core.client.resources.StaticDataResource; | ||
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| public abstract class DynamicIFrame extends Frame | ||
| { | ||
| interface Resources extends ClientBundle | ||
| { | ||
| @Source("dynamicFrame.html") | ||
| StaticDataResource dynamicFrame(); | ||
| } | ||
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| public DynamicIFrame() | ||
| { | ||
| Resources res = GWT.create(Resources.class); | ||
| setUrl(res.dynamicFrame().getUrl()); | ||
| attachCallback(); | ||
| } | ||
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| protected abstract void onFrameLoaded(); | ||
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| protected IFrameElementEx getIFrame() | ||
| { | ||
| return getElement().cast(); | ||
| } | ||
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| protected WindowEx getWindow() | ||
| { | ||
| return getIFrame().getContentWindow(); | ||
| } | ||
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| protected final Document getDocument() | ||
| { | ||
| return getWindow().getDocument(); | ||
| } | ||
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| private native final void attachCallback() /*-{ | ||
| var self = this; | ||
| var el = this.@com.google.gwt.user.client.ui.UIObject::getElement()(); | ||
| el.__dynamic_init__ = $entry(function() { | ||
| self.@org.rstudio.core.client.widget.DynamicIFrame::onFrameLoaded()(); | ||
| }); | ||
| }-*/; | ||
| } |
12 changes: 12 additions & 0 deletions
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src/gwt/src/org/rstudio/core/client/widget/dynamicFrame.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <script type="text/javascript"> | ||
| window.onload = function() { | ||
| if (window.frameElement && window.frameElement.__dynamic_init__) | ||
| window.frameElement.__dynamic_init__(); | ||
| }; | ||
| </script> | ||
| </head> | ||
| <body></body> | ||
| </html> |
82 changes: 82 additions & 0 deletions
82
src/gwt/src/org/rstudio/studio/client/workbench/prefs/views/AceEditorPreview.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| package org.rstudio.studio.client.workbench.prefs.views; | ||
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| import com.google.gwt.dom.client.*; | ||
| import com.google.gwt.dom.client.Style.BorderStyle; | ||
| import com.google.gwt.dom.client.Style.Unit; | ||
| import org.rstudio.core.client.ExternalJavaScriptLoader; | ||
| import org.rstudio.core.client.ExternalJavaScriptLoader.Callback; | ||
| import org.rstudio.core.client.widget.DynamicIFrame; | ||
| import org.rstudio.studio.client.workbench.views.source.editors.text.ace.AceResources; | ||
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| public class AceEditorPreview extends DynamicIFrame | ||
| { | ||
| public AceEditorPreview() | ||
| { | ||
| Style style = getStyleElement().getStyle(); | ||
| style.setBorderColor("#CCC"); | ||
| style.setBorderWidth(1, Unit.PX); | ||
| style.setBorderStyle(BorderStyle.SOLID); | ||
| style.setWidth(85, Unit.PCT); | ||
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| } | ||
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| @Override | ||
| protected void onFrameLoaded() | ||
| { | ||
| isFrameLoaded_ = true; | ||
| if (initialThemeUrl_ != null) | ||
| setTheme(initialThemeUrl_); | ||
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| final Document doc = getDocument(); | ||
| final BodyElement body = doc.getBody(); | ||
| body.getStyle().setMargin(0, Unit.PX); | ||
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| StyleElement style = doc.createStyleElement(); | ||
| style.setType("text/css"); | ||
| style.setInnerText(".ace_editor {border: none !important;}"); | ||
| body.appendChild(style); | ||
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| DivElement div = doc.createDivElement(); | ||
| div.setId("editor"); | ||
| div.getStyle().setWidth(100, Unit.PCT); | ||
| div.getStyle().setHeight(100, Unit.PCT); | ||
| div.setInnerText("hello"); | ||
| body.appendChild(div); | ||
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| ExternalJavaScriptLoader loader = new ExternalJavaScriptLoader( | ||
| doc, AceResources.INSTANCE.acejs().getUrl()); | ||
| loader.addCallback(new Callback() | ||
| { | ||
| public void onLoaded() | ||
| { | ||
| body.appendChild(doc.createScriptElement( | ||
| "var editor = ace.edit('editor');\n" + | ||
| "editor.renderer.setHScrollBarAlwaysVisible(false);\n" + | ||
| "editor.setHighlightActiveLine(false);")); | ||
| } | ||
| }); | ||
| } | ||
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| public void setTheme(String themeUrl) | ||
| { | ||
| if (!isFrameLoaded_) | ||
| { | ||
| initialThemeUrl_ = themeUrl; | ||
| return; | ||
| } | ||
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| if (currentStyleLink_ != null) | ||
| currentStyleLink_.removeFromParent(); | ||
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| Document doc = getDocument(); | ||
| currentStyleLink_ = doc.createLinkElement(); | ||
| currentStyleLink_.setRel("stylesheet"); | ||
| currentStyleLink_.setType("text/css"); | ||
| currentStyleLink_.setHref(themeUrl); | ||
| doc.getBody().appendChild(currentStyleLink_); | ||
| } | ||
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| private LinkElement currentStyleLink_; | ||
| private boolean isFrameLoaded_; | ||
| private String initialThemeUrl_; | ||
| } |
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