/*
* ChunkHtmlPage.java
*
* Copyright (C) 2009-16 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.studio.client.workbench.views.source.editors.text;
import org.rstudio.core.client.widget.FixedRatioWidget;
import org.rstudio.studio.client.rmarkdown.model.NotebookHtmlMetadata;
import org.rstudio.studio.client.workbench.views.source.editors.text.rmd.ChunkOutputUi;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Style;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.Widget;
public class ChunkHtmlPage extends ChunkOutputPage
implements EditorThemeListener
{
public ChunkHtmlPage(String url, NotebookHtmlMetadata metadata,
int ordinal, final Command onRenderComplete, ChunkOutputSize chunkOutputSize)
{
super(ordinal);
// extract classes from metadata if present
JsArrayString classes = JsArrayString.createArray().cast();
if (metadata != null)
classes = metadata.getClasses();
String clazz = classes.length() > 0 ? classes.get(0) : "html";
thumbnail_ = new ChunkOutputThumbnail(clazz,
classes.length() > 1 ? classes.get(1) : "",
new ChunkHtmlPreview(), ChunkOutputWidget.getEditorColors());
// amend the URL to cause any contained widget to use the RStudio viewer
// sizing policy
if (url.indexOf('?') > 0)
url += "&";
else
url += "?";
url += "viewer_pane=1";
frame_ = new ChunkOutputFrame();
if (chunkOutputSize != ChunkOutputSize.Full) {
content_ = new FixedRatioWidget(frame_,
ChunkOutputUi.OUTPUT_ASPECT,
ChunkOutputUi.MAX_HTMLWIDGET_WIDTH);
}
else {
frame_.getElement().getStyle().setWidth(100, Unit.PCT);
content_ = frame_;
}
frame_.loadUrlDelayed(url, 400, new Command()
{
@Override
public void execute()
{
Element body = frame_.getDocument().getBody();
Style bodyStyle = body.getStyle();
bodyStyle.setPadding(0, Unit.PX);
bodyStyle.setMargin(0, Unit.PX);
onEditorThemeChanged(ChunkOutputWidget.getEditorColors());
Timer frameFinishLoadTimer = new Timer()
{
@Override
public void run()
{
onRenderComplete.execute();
}
};
frameFinishLoadTimer.schedule(100);
};
});
afterRender_ = new Command() {
@Override
public void execute()
{
Element body = frame_.getDocument().getBody();
Style bodyStyle = body.getStyle();
bodyStyle.setPadding(0, Unit.PX);
bodyStyle.setMargin(0, Unit.PX);
if (themeColors_ != null)
{
bodyStyle.setColor(themeColors_.foreground);
}
}
};
frame_.runAfterRender(afterRender_);
}
@Override
public Widget thumbnailWidget()
{
return thumbnail_;
}
@Override
public Widget contentWidget()
{
return content_;
}
@Override
public void onSelected()
{
frame_.runAfterRender(afterRender_);
}
@Override
public void onEditorThemeChanged(Colors colors)
{
themeColors_ = colors;
afterRender_.execute();
}
private ChunkOutputFrame frame_;
final private Widget thumbnail_;
final private Widget content_;
private Colors themeColors_ = null;
private Command afterRender_;
}