/*
* Copyright 2006-2017 ICEsoft Technologies Canada Corp.
*
* 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 org.icepdf.ri.common.tools;
import org.icepdf.core.pobjects.Name;
import org.icepdf.core.pobjects.PDate;
import org.icepdf.core.pobjects.Page;
import org.icepdf.core.pobjects.annotations.Annotation;
import org.icepdf.core.pobjects.annotations.AnnotationFactory;
import org.icepdf.core.pobjects.annotations.BorderStyle;
import org.icepdf.core.pobjects.annotations.LineAnnotation;
import org.icepdf.core.util.ColorUtil;
import org.icepdf.core.util.Defs;
import org.icepdf.ri.common.views.AbstractPageViewComponent;
import org.icepdf.ri.common.views.AnnotationCallback;
import org.icepdf.ri.common.views.DocumentViewController;
import org.icepdf.ri.common.views.DocumentViewModel;
import org.icepdf.ri.common.views.annotations.AbstractAnnotationComponent;
import org.icepdf.ri.common.views.annotations.AnnotationComponentFactory;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.geom.AffineTransform;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.geom.Point2D;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* LineAnnotationHandler tool is responsible for painting representation of
* a line on the screen during a click and drag mouse event. The first point
* is recorded on mousePressed and the line is drawn from first point the current
* location of the mouse.
* <br>
* Once the mouseReleased event is fired this handler will create new
* LineAnnotation and respective AnnotationComponent. The addition of the
* Annotation object to the page is handled by the annotation callback.
*
* @since 5.0
*/
public class LineAnnotationHandler extends SelectionBoxHandler implements ToolHandler {
private static final Logger logger =
Logger.getLogger(LineAnnotationHandler.class.toString());
// need to make the stroke cap, thickness configurable. Or potentially
// static from the lineAnnotationHandle so it would look like the last
// settings where remembered.
protected static BasicStroke stroke = new BasicStroke(1.0f,
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_MITER,
1.0f);
protected static Color lineColor;
protected static Color internalColor;
static {
// sets annotation link stroke colour
try {
String color = Defs.sysProperty(
"org.icepdf.core.views.page.annotation.line.stroke.color", "#ff0000");
int colorValue = ColorUtil.convertColor(color);
lineColor =
new Color(colorValue >= 0 ? colorValue :
Integer.parseInt("ff0000", 16));
} catch (NumberFormatException e) {
if (logger.isLoggable(Level.WARNING)) {
logger.warning("Error reading line Annotation stroke colour");
}
}
// sets annotation link fill colour
try {
String color = Defs.sysProperty(
"org.icepdf.core.views.page.annotation.line.fill.color", "#ff0000");
int colorValue = ColorUtil.convertColor(color);
internalColor =
new Color(colorValue >= 0 ? colorValue :
Integer.parseInt("ff0000", 16));
} catch (NumberFormatException e) {
if (logger.isLoggable(Level.WARNING)) {
logger.warning("Error reading line Annotation fill colour");
}
}
}
protected static Name startLineEnding = LineAnnotation.LINE_END_NONE;
protected static Name endLineEnding = LineAnnotation.LINE_END_NONE;
// start and end point
protected Point2D startOfLine;
protected Point2D endOfLine;
protected BorderStyle borderStyle = new BorderStyle();
/**
* New Text selection handler. Make sure to correctly and and remove
* this mouse and text listeners.
*
* @param pageViewComponent page component that this handler is bound to.
* @param documentViewModel view model.
*/
public LineAnnotationHandler(DocumentViewController documentViewController,
AbstractPageViewComponent pageViewComponent,
DocumentViewModel documentViewModel) {
super(documentViewController, pageViewComponent, documentViewModel);
startLineEnding = LineAnnotation.LINE_END_NONE;
endLineEnding = LineAnnotation.LINE_END_NONE;
}
public void paintTool(Graphics g) {
if (startOfLine != null && endOfLine != null) {
Graphics2D gg = (Graphics2D) g;
Color oldColor = gg.getColor();
Stroke oldStroke = gg.getStroke();
g.setColor(lineColor);
gg.setStroke(stroke);
g.drawLine((int) startOfLine.getX(), (int) startOfLine.getY(),
(int) endOfLine.getX(), (int) endOfLine.getY());
g.setColor(oldColor);
gg.setStroke(oldStroke);
}
}
public void mousePressed(MouseEvent e) {
startOfLine = e.getPoint();
// annotation selection box.
int x = e.getX();
int y = e.getY();
currentRect = new Rectangle(x, y, 0, 0);
updateDrawableRect(pageViewComponent.getWidth(),
pageViewComponent.getHeight());
pageViewComponent.repaint();
}
public void mouseReleased(MouseEvent e) {
endOfLine = e.getPoint();
updateSelectionSize(e.getX(),e.getY(), pageViewComponent);
// add a little padding or the end point icon types
rectToDraw.setRect(rectToDraw.getX() - 8, rectToDraw.getY() - 8,
rectToDraw.getWidth() + 16, rectToDraw.getHeight() + 16);
// convert bbox and start and end line points.
Rectangle tBbox = convertToPageSpace(rectToDraw).getBounds();
// convert start of line and end of line to page space
Point2D[] points = convertToPageSpace(startOfLine, endOfLine);
// create annotations types that are rectangle based;
LineAnnotation annotation = (LineAnnotation)
AnnotationFactory.buildAnnotation(
documentViewModel.getDocument().getPageTree().getLibrary(),
Annotation.SUBTYPE_LINE,
tBbox);
annotation.setStartArrow(startLineEnding);
annotation.setEndArrow(endLineEnding);
annotation.setStartOfLine(points[0]);
annotation.setEndOfLine(points[1]);
annotation.setBorderStyle(borderStyle);
annotation.setColor(lineColor);
annotation.setInteriorColor(internalColor);
// setup the markup properties.
annotation.setContents(annotation.getSubType().toString());
annotation.setCreationDate(PDate.formatDateTime(new Date()));
annotation.setTitleText(System.getProperty("user.name"));
// pass outline shapes and bounds to create the highlight shapes
annotation.setBBox(tBbox);
annotation.resetAppearanceStream(getPageTransform());
// create the annotation object.
AbstractAnnotationComponent comp =
AnnotationComponentFactory.buildAnnotationComponent(
annotation,
documentViewController,
pageViewComponent, documentViewModel);
// set the bounds and refresh the userSpace rectangle
Rectangle bbox = new Rectangle(rectToDraw.x, rectToDraw.y,
rectToDraw.width, rectToDraw.height);
comp.setBounds(bbox);
// add them to the container, using absolute positioning.
if (documentViewController.getAnnotationCallback() != null) {
AnnotationCallback annotationCallback =
documentViewController.getAnnotationCallback();
annotationCallback.newAnnotation(pageViewComponent, comp);
}
// set the annotation tool to he select tool
documentViewController.getParentController().setDocumentToolMode(
DocumentViewModel.DISPLAY_TOOL_SELECTION);
// clear the rectangle
clearRectangle(pageViewComponent);
startOfLine = endOfLine = null;
}
public void mouseDragged(MouseEvent e) {
updateSelectionSize(e.getX(),e.getY(), pageViewComponent);
endOfLine = e.getPoint();
pageViewComponent.repaint();
}
/**
* Convert the shapes that make up the annotation to page space so that
* they will scale correctly at different zooms.
*
* @return transformed bBox.
*/
protected Rectangle convertToPageSpace() {
Page currentPage = pageViewComponent.getPage();
AffineTransform at = currentPage.getPageTransform(
documentViewModel.getPageBoundary(),
documentViewModel.getViewRotation(),
documentViewModel.getViewZoom());
try {
at = at.createInverse();
} catch (NoninvertibleTransformException e) {
logger.log(Level.FINE, "Error converting to page space.", e);
}
// convert the two points as well as the bbox.
Rectangle tBbox = new Rectangle(rectToDraw.x, rectToDraw.y,
rectToDraw.width, rectToDraw.height);
tBbox = at.createTransformedShape(tBbox).getBounds();
// convert the points
startOfLine = at.transform(startOfLine, null);
endOfLine = at.transform(endOfLine, null);
return tBbox;
}
public void mouseEntered(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
if (pageViewComponent != null) {
pageViewComponent.requestFocus();
}
}
public void mouseExited(MouseEvent e) {
}
public void mouseMoved(MouseEvent e) {
}
public void installTool() {
}
public void uninstallTool() {
}
@Override
public void setSelectionRectangle(Point cursorLocation, Rectangle selection) {
}
}