/*******************************************************************************
* Copyright (c) 2012-2016 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.extension.machine.client.perspective.terminal;
import com.google.gwt.core.client.GWT;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RequiresResize;
import com.google.gwt.user.client.ui.Widget;
import javax.validation.constraints.NotNull;
/**
* The class contains methods to display terminal.
*
* @author Dmitry Shnurenko
*/
final class TerminalViewImpl extends Composite implements TerminalView, RequiresResize{
interface TerminalViewImplUiBinder extends UiBinder<Widget, TerminalViewImpl> {
}
private final static TerminalViewImplUiBinder UI_BINDER = GWT.create(TerminalViewImplUiBinder.class);
@UiField
FlowPanel terminalPanel;
@UiField
Label unavailableLabel;
private ActionDelegate delegate;
public TerminalViewImpl() {
initWidget(UI_BINDER.createAndBindUi(this));
}
@Override
public void setDelegate(ActionDelegate delegate) {
this.delegate = delegate;
}
/** {@inheritDoc} */
@Override
public void openTerminal(@NotNull final TerminalJso terminal) {
unavailableLabel.setVisible(false);
terminalPanel.setVisible(true);
terminalPanel.getElement().getStyle().setProperty("opacity", "0");
terminal.open(terminalPanel.getElement());
resizeTerminal();
terminalPanel.getElement().getFirstChildElement().getStyle().clearProperty("backgroundColor");
terminalPanel.getElement().getFirstChildElement().getStyle().clearProperty("color");
terminalPanel.getElement().getStyle().clearProperty("opacity");
}
/** {@inheritDoc} */
@Override
public void showErrorMessage(@NotNull String message) {
unavailableLabel.setText(message);
unavailableLabel.setVisible(true);
terminalPanel.setVisible(false);
}
@Override
public void onResize() {
resizeTimer.cancel();
resizeTimer.schedule(200);
}
private Timer resizeTimer = new Timer() {
@Override
public void run() {
resizeTerminal();
}
};
private void resizeTerminal() {
int offsetWidth = terminalPanel.getOffsetWidth();
int offsetHeight = terminalPanel.getOffsetHeight();
if (offsetWidth <= 0 || offsetHeight <= 0) {
return;
}
int x = (int)(Math.floor(offsetWidth / 6.6221374));
int y = (int)Math.floor(offsetHeight / 13);
delegate.setTerminalSize(x, y);
}
}