/*
* Copyright 2003-2011 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.workbench.dialogs.project.newproject;
import com.intellij.ide.BrowserUtil;
import com.intellij.ide.wizard.CommitStepException;
import com.intellij.ide.wizard.StepAdapter;
import org.apache.log4j.Logger;
import org.apache.log4j.LogManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.EtchedBorder;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
public abstract class BaseStep extends StepAdapter {
private static final Logger LOG = LogManager.getLogger(BaseStep.class);
private JPanel myComponent;
public BaseStep() {
GridBagLayout bagLayout = new GridBagLayout();
myComponent = new JPanel(bagLayout);
JComponent controlComponent = createControlComponent();
JPanel imagePanel = createImagePanel();
GridBagConstraints cImage = new GridBagConstraints(0, 0, 1, 2, 0, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0);
myComponent.add(imagePanel, cImage);
JPanel commentPanel = createCommentPanel();
GridBagConstraints cComment = new GridBagConstraints(1, 0, 1, 1, 1, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0);
myComponent.add(commentPanel, cComment);
Border outerBorder = BorderFactory.createEtchedBorder(EtchedBorder.LOWERED);
Border innerBorder = BorderFactory.createEmptyBorder(3, 3, 3, 3);
Border border = BorderFactory.createCompoundBorder(outerBorder, innerBorder);
controlComponent.setBorder(border);
GridBagConstraints cControl = new GridBagConstraints(1, 1, 1, 1, 1, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 0), 0, 0);
myComponent.add(controlComponent, cControl);
GridBagConstraints cFillY = new GridBagConstraints(0, 2, 2, 1, 0, 1, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0);
JPanel yFillPanel = new JPanel();
myComponent.add(yFillPanel, cFillY);
int w = controlComponent.getPreferredSize().width + (imagePanel.getPreferredSize().width);
int h = Math.max(300, imagePanel.getPreferredSize().height);
myComponent.setPreferredSize(new Dimension(w, h));
}
private JPanel createCommentPanel() {
GridBagLayout bagLayout = new GridBagLayout();
JPanel commentPanel = new JPanel(bagLayout);
commentPanel.setBorder(BorderFactory.createEmptyBorder(0, 3, 6, 3));
String comment = getCommentString();
JLabel commentLabel = new JLabel("<html>" + comment + "</html>");
GridBagConstraints cComment = new GridBagConstraints(0, 0, 1, 1, 1, 1, GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0);
commentPanel.add(commentLabel, cComment);
if (comment != null) {
final String url = getURL();
if (url != null) {
JLabel aLabel = new JLabel("<html><a href=\"\">Read more</a></html>");
aLabel.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
aLabel.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
launchBrowserAction(url, "");
}
});
aLabel.setHorizontalAlignment(SwingConstants.RIGHT);
aLabel.setHorizontalTextPosition(SwingConstants.RIGHT);
GridBagConstraints cAnchor = new GridBagConstraints(0, 1, 1, 1, 0, 0, GridBagConstraints.NORTHEAST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0);
commentPanel.add(aLabel, cAnchor);
}
}
return commentPanel;
}
private JPanel createImagePanel() {
URL imageUrl = getImageURL();
String imageText = getImageText();
GridBagLayout bagLayout = new GridBagLayout();
JPanel imagePanel = new JPanel(bagLayout);
if (imageUrl != null) {
ImageIcon info = new ImageIcon(imageUrl);
BufferedImage bim = null;
try {
bim = ImageIO.read(imageUrl);
} catch (IOException e) {
LOG.error("Can't read image: ", e);
}
assert bim != null : "Icon was not read. The possible reason is that PNG format was not recognized";
Graphics graphics = bim.getGraphics();
graphics.setColor(new Color(0x7e, 0x7c, 0x7c));
graphics.setFont(new Font("Helvetica", Font.BOLD, 18));
int textWidth = graphics.getFontMetrics().charsWidth(imageText.toCharArray(), 0, imageText.length());
int x = (info.getIconWidth() - textWidth) / 2;
int y = 288;
graphics.drawChars(imageText.toCharArray(), 0, imageText.length(), x, y);
GridBagConstraints cImage = new GridBagConstraints(0, 0, 1, 1, 1, 1, GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0);
JLabel image = new JLabel(new ImageIcon(bim));
imagePanel.add(image, cImage);
}
return imagePanel;
}
private static void launchBrowserAction(String cmd, String prefix) {
if (cmd != null && cmd.trim().length() > 0) {
try {
BrowserUtil.launchBrowser(prefix + cmd.trim());
} catch (IllegalThreadStateException ex) {/* not a problem */}
}
}
@Override
public final JComponent getComponent() {
return myComponent;
}
public abstract JComponent createControlComponent();
@Nullable
public URL getImageURL() {
return null;
}
@NotNull
public String getImageText() {
return "";
}
@Nullable
public String getCommentString() {
return null;
}
@Nullable
public String getURL() {
return null;
}
@Override
@Nullable
public Icon getIcon() {
return null;
}
@Override
public void _commit(boolean finishChosen) throws CommitStepException {
if (finishChosen) {
_check();
}
super._commit(finishChosen);
}
public abstract void _check() throws CommitStepException;
}