/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.isis.viewer.dnd.view.message;
import org.apache.isis.viewer.dnd.drawing.Canvas;
import org.apache.isis.viewer.dnd.drawing.Color;
import org.apache.isis.viewer.dnd.drawing.ColorsAndFonts;
import org.apache.isis.viewer.dnd.drawing.Image;
import org.apache.isis.viewer.dnd.drawing.ImageFactory;
import org.apache.isis.viewer.dnd.drawing.Location;
import org.apache.isis.viewer.dnd.drawing.Size;
import org.apache.isis.viewer.dnd.drawing.Text;
import org.apache.isis.viewer.dnd.view.Axes;
import org.apache.isis.viewer.dnd.view.ButtonAction;
import org.apache.isis.viewer.dnd.view.Content;
import org.apache.isis.viewer.dnd.view.FocusManager;
import org.apache.isis.viewer.dnd.view.Toolkit;
import org.apache.isis.viewer.dnd.view.View;
import org.apache.isis.viewer.dnd.view.ViewAreaType;
import org.apache.isis.viewer.dnd.view.ViewRequirement;
import org.apache.isis.viewer.dnd.view.ViewSpecification;
import org.apache.isis.viewer.dnd.view.Workspace;
import org.apache.isis.viewer.dnd.view.base.AbstractView;
import org.apache.isis.viewer.dnd.view.border.ButtonBorder;
import org.apache.isis.viewer.dnd.view.border.ScrollBorder;
import org.apache.isis.viewer.dnd.view.control.AbstractButtonAction;
import org.apache.isis.viewer.dnd.view.window.SubviewFocusManager;
public class MessageDialogSpecification implements ViewSpecification {
@Override
public boolean canDisplay(final ViewRequirement requirement) {
return requirement.getContent() instanceof MessageContent;
}
@Override
public String getName() {
return "Message Dialog";
}
@Override
public View createView(final Content content, final Axes axes, final int sequence) {
final ButtonAction actions[] = new ButtonAction[] { new CloseViewAction() };
final MessageView messageView = new MessageView((MessageContent) content, this);
final View dialogView = new ButtonBorder(actions, new ScrollBorder(messageView));
dialogView.setFocusManager(new SubviewFocusManager(dialogView));
return dialogView;
}
@Override
public boolean isAligned() {
return false;
}
@Override
public boolean isOpen() {
return true;
}
@Override
public boolean isReplaceable() {
return false;
}
@Override
public boolean isResizeable() {
return true;
}
@Override
public boolean isSubView() {
return false;
}
public static class CloseViewAction extends AbstractButtonAction {
public CloseViewAction() {
super("Close");
}
@Override
public void execute(final Workspace workspace, final View view, final Location at) {
view.dispose();
}
}
}
class MessageView extends AbstractView {
private static final int MAX_TEXT_WIDTH = 400;
private static final int LEFT = 20;
private static final int RIGHT = 20;
private static final int TOP = 15;
private static final int PADDING = 10;
private Image errorIcon;
private FocusManager focusManager;
protected MessageView(final MessageContent content, final ViewSpecification specification) {
super(content, specification);
final String iconName = ((MessageContent) getContent()).getIconName();
errorIcon = ImageFactory.getInstance().loadIcon(iconName, 32, null);
if (errorIcon == null) {
errorIcon = ImageFactory.getInstance().loadDefaultIcon(32, null);
}
}
@Override
public Size getRequiredSize(final Size availableSpace) {
final Size size = new Size();
final String message = ((MessageContent) getContent()).getMessage();
final String heading = ((MessageContent) getContent()).title();
size.ensureHeight(errorIcon.getHeight());
final Text text = Toolkit.getText(ColorsAndFonts.TEXT_NORMAL);
final Text titleText = Toolkit.getText(ColorsAndFonts.TEXT_TITLE);
size.extendWidth(text.stringWidth(message, MAX_TEXT_WIDTH));
int textHeight = titleText.getLineHeight();
textHeight += text.stringHeight(message, MAX_TEXT_WIDTH);
size.ensureHeight(textHeight);
size.ensureWidth(titleText.stringWidth(heading));
size.extendWidth(errorIcon.getWidth());
size.extendWidth(PADDING);
size.extend(LEFT + RIGHT, TOP * 2);
return size;
}
@Override
public void draw(final Canvas canvas) {
super.draw(canvas);
final String message = ((MessageContent) getContent()).getMessage();
final String heading = ((MessageContent) getContent()).title();
clearBackground(canvas, Toolkit.getColor(ColorsAndFonts.COLOR_WHITE));
canvas.drawImage(errorIcon, LEFT, TOP);
final int x = LEFT + errorIcon.getWidth() + PADDING;
int y = TOP + 3 + Toolkit.getText(ColorsAndFonts.TEXT_NORMAL).getAscent();
final Color black = Toolkit.getColor(ColorsAndFonts.COLOR_BLACK);
if (!heading.equals("")) {
final Text title = Toolkit.getText(ColorsAndFonts.TEXT_TITLE);
canvas.drawText(heading, x, y, black, title);
y += title.getLineHeight();
}
canvas.drawText(message, x, y, MAX_TEXT_WIDTH, black, Toolkit.getText(ColorsAndFonts.TEXT_NORMAL));
}
@Override
public ViewAreaType viewAreaType(final Location mouseLocation) {
return ViewAreaType.VIEW;
}
@Override
public FocusManager getFocusManager() {
return focusManager == null ? super.getFocusManager() : focusManager;
}
@Override
public void setFocusManager(final FocusManager focusManager) {
this.focusManager = focusManager;
}
}