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-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java371
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diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
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--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java
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@@ -1,371 +0,0 @@
-/*
- * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://joinup.ec.europa.eu/software/page/eupl
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- */
-package at.asit.pdfover.gui.composites;
-
-// Imports
-import java.awt.BorderLayout;
-import java.awt.Color;
-import java.awt.EventQueue;
-import java.awt.Frame;
-import java.awt.Image;
-import java.awt.event.KeyAdapter;
-import java.awt.event.KeyEvent;
-import java.awt.event.KeyListener;
-import java.awt.event.MouseWheelEvent;
-import java.awt.event.MouseWheelListener;
-import java.awt.geom.Point2D;
-
-import org.apache.pdfbox.pdmodel.PDDocument;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.awt.SWT_AWT;
-import org.eclipse.swt.layout.FormLayout;
-import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Label;
-import org.eclipse.swt.widgets.ScrollBar;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import at.asit.pdfover.commons.Constants;
-import at.asit.pdfover.gui.utils.SWTUtils;
-import at.asit.pdfover.gui.workflow.states.State;
-import at.asit.pdfover.signer.SignaturePosition;
-
-/**
- * Composite which allows to position the signature on a preview of the document
- */
-public class PositioningComposite extends StateComposite {
- /**
- * SLF4J Logger instance
- **/
- static final Logger log = LoggerFactory.getLogger(PositioningComposite.class);
-
- SignaturePanel viewer = null;
- Frame frame = null;
- Composite mainArea = null;
- Composite bottomBar = null;
- Button btnNewPage = null;
- Label lblPage = null;
- ScrollBar scrollbar = null;
-
- private SignaturePosition position = null;
- int currentPage = 0;
- int numPages = 0;
-
- /**
- * Create the composite.
- *
- * @param parent
- * @param style
- * @param state
- */
- public PositioningComposite(Composite parent, int style, State state) {
- super(parent, style, state);
- this.setLayout(new FormLayout());
-
- this.bottomBar = new Composite(this, SWT.NONE);
- SWTUtils.anchor(bottomBar).left(0).right(100).bottom(100);
- this.bottomBar.setLayout(new FormLayout());
-
- this.btnSign = new Button(this.bottomBar, SWT.PUSH);
- SWTUtils.anchor(btnSign).right(100).top(0);
- this.getShell().setDefaultButton(this.btnSign);
-
- this.btnNewPage = new Button(this.bottomBar, SWT.TOGGLE);
- SWTUtils.anchor(btnNewPage).right(btnSign).top(0);
-
- this.lblPage = new Label(this.bottomBar, SWT.CENTER);
- SWTUtils.anchor(lblPage).left(0).right(btnNewPage, 5).bottom(100);
-
- this.mainArea = new Composite(this, SWT.EMBEDDED | SWT.V_SCROLL);
- SWTUtils.anchor(mainArea).left(0).right(100).top(0).bottom(bottomBar, -5);
- this.scrollbar = this.mainArea.getVerticalBar();
-
- this.frame = SWT_AWT.new_Frame(this.mainArea);
- this.frame.addKeyListener(this.keyListener);
- this.frame.addMouseWheelListener(this.mouseListener);
-
- this.viewer = new SignaturePanel();
- this.viewer.setSignaturePlaceholderBorderColor(new Color(
- Constants.MAINBAR_ACTIVE_BACK_DARK.getRed(),
- Constants.MAINBAR_ACTIVE_BACK_DARK.getGreen(),
- Constants.MAINBAR_ACTIVE_BACK_DARK.getBlue()));
- this.frame.add(this.viewer, BorderLayout.CENTER);
-
- SWTUtils.addSelectionListener(btnNewPage, () -> {
- if (this.currentPage > this.numPages)
- showPage(this.numPages);
- else
- showPage(this.numPages + 1);
- requestFocus();
- });
-
- SWTUtils.addSelectionListener(btnSign, this::setFinalPosition);
-
- SWTUtils.addSelectionListener(scrollbar, () -> { this.showPage(this.scrollbar.getSelection()); });
-
- reloadResources();
- requestFocus();
- }
-
- @Override public void onDisplay() { if (this.viewer.getSigPagePos() == null) this.btnSign.setEnabled(false); }
-
- /**
- * Set the PDF Document to display
- *
- * @param document
- * document to display
- */
- public void displayDocument(final PDDocument document) {
- EventQueue.invokeLater(() -> {
- this.viewer.setDocument(document);
- getDisplay().asyncExec(() -> this.btnSign.setEnabled(true));
- });
-
- if (document != null)
- {
- this.numPages = document.getNumberOfPages();
- this.scrollbar.setValues(1, 1, this.numPages + 1, 1, 1, 1);
- showPage(this.numPages);
- }
- }
-
- @Override
- public void dispose() {
- this.viewer.setDocument(null);
- super.dispose();
- }
-
- /**
- * Request focus (to enable keyboard input)
- */
- public void requestFocus() {
- getDisplay().asyncExec(() -> {
- if (!this.isDisposed() && !this.mainArea.isDisposed()) {
- this.mainArea.setFocus();
- EventQueue.invokeLater(() -> {
- if (!this.isDisposed()) {
- if (!this.frame.hasFocus()) {
- this.frame.requestFocus();
- }
- }
- });
- }
- });
- }
-
- /**
- * Set the signature placeholder image Must be called _after_
- * displayDocument
- *
- * @param placeholder
- * signature placeholder
- * @param width
- * width of the placeholder in page space
- * @param height
- * height of the placeholder in page space
- */
- public void setPlaceholder(final Image placeholder) {
- EventQueue.invokeLater(() -> {
- if (this.viewer == null)
- return;
- this.viewer.setSignaturePlaceholder(placeholder);
- });
- }
-
- KeyListener keyListener = new KeyAdapter() {
- @Override
- public void keyPressed(KeyEvent e) {
- int newPage = PositioningComposite.this.currentPage;
- int sigXOffset = 0;
- int sigYOffset = 0;
-
- switch (e.getKeyCode()) {
- case KeyEvent.VK_PAGE_DOWN:
- if (PositioningComposite.this.currentPage < PositioningComposite.this.numPages)
- ++newPage;
- break;
-
- case KeyEvent.VK_PAGE_UP:
- if (PositioningComposite.this.currentPage > 1)
- --newPage;
- break;
-
- case KeyEvent.VK_END:
- newPage = PositioningComposite.this.numPages;
- break;
-
- case KeyEvent.VK_HOME:
- newPage = 1;
- break;
-
- case KeyEvent.VK_ENTER:
- setFinalPosition();
- break;
-
- case KeyEvent.VK_LEFT:
- case KeyEvent.VK_KP_LEFT:
- sigXOffset -= Constants.SIGNATURE_KEYBOARD_POSITIONING_OFFSET;
- break;
-
- case KeyEvent.VK_RIGHT:
- case KeyEvent.VK_KP_RIGHT:
- sigXOffset += Constants.SIGNATURE_KEYBOARD_POSITIONING_OFFSET;
- break;
-
- case KeyEvent.VK_UP:
- case KeyEvent.VK_KP_UP:
- sigYOffset += Constants.SIGNATURE_KEYBOARD_POSITIONING_OFFSET;
- break;
-
- case KeyEvent.VK_DOWN:
- case KeyEvent.VK_KP_DOWN:
- sigYOffset -= Constants.SIGNATURE_KEYBOARD_POSITIONING_OFFSET;
- break;
- }
-
- if (newPage != PositioningComposite.this.currentPage)
- showPage(newPage);
-
- if (sigXOffset != 0 || sigYOffset != 0)
- translateSignaturePosition(sigXOffset, sigYOffset);
- }
- };
-
- MouseWheelListener mouseListener = new MouseWheelListener() {
- private long lastEventTime = 0;
-
- @Override
- public void mouseWheelMoved(MouseWheelEvent e) {
- e.consume();
- // Workaround for Linux: Events fire twice
- if (e.getWhen() == this.lastEventTime)
- return;
- this.lastEventTime = e.getWhen();
-
- int change = e.isShiftDown() ? 5 : 1;
- int newPage = PositioningComposite.this.currentPage;
-
- if (e.getWheelRotation() < 0) {
- newPage = Math.max(1, newPage - change);
- } else if (e.getWheelRotation() > 0) {
- newPage = Math.min(newPage + change, PositioningComposite.this.numPages);
- }
-
- if (newPage != PositioningComposite.this.currentPage)
- showPage(newPage);
- }
- };
-
- private Button btnSign;
-
- void showPage(final int page) {
- final int previousPage = this.currentPage;
- this.currentPage = page;
- getDisplay().asyncExec(() -> {
- int currentPage = this.currentPage;
- int numPages = this.numPages;
- if ((previousPage > numPages) && (currentPage <= numPages)) {
- // Was on new page
- SWTUtils.setLocalizedText(btnNewPage, "positioning.newPage");
- this.btnNewPage.setSelection(false);
- this.bottomBar.layout();
- this.scrollbar.setMaximum(numPages + 1);
- } else if ((previousPage <= numPages) && (currentPage > numPages)) {
- // Go to new page
- SWTUtils.setLocalizedText(btnNewPage, "positioning.removeNewPage");
- this.btnNewPage.setSelection(true);
- this.bottomBar.layout();
- this.scrollbar.setMaximum(numPages + 2);
- }
- this.scrollbar.setSelection(currentPage);
- SWTUtils.setLocalizedText(lblPage, "positioning.page", currentPage, numPages);
- });
- EventQueue.invokeLater(() -> {
- PositioningComposite.this.viewer.showPage(page);
- });
- }
-
- /**
- * Translate the signature placeholder position
- *
- * @param sigXOffset
- * signature placeholder horizontal position offset
- * @param sigYOffset
- * signature placeholder vertical position offset (negative is down)
- */
- public void translateSignaturePosition(final int sigXOffset, final int sigYOffset) {
- EventQueue.invokeLater(() -> {
- this.viewer.translateSignaturePagePosition(sigXOffset, sigYOffset);
- });
- }
-
- /**
- * Set the signature position and continue to the next state
- *
- * @param position
- * the signature position
- */
- void setFinalPosition() {
- if (this.currentPage == 0) {
- this.position = new SignaturePosition();
- } else {
- Point2D pos = this.viewer.getSigPagePos();
- if (pos == null) return;
-
- this.position = new SignaturePosition(
- pos.getX(),
- pos.getY(),
- this.currentPage);
- }
- PositioningComposite.this.state.updateStateMachine();
- }
-
- /**
- * Set the signature position
- *
- * @param x
- * the horizontal signature position
- * @param y
- * the vertical signature position
- * @param page
- * the page the signature is on
- */
- public void setPosition(double x, double y, int page) {
- showPage(page);
- if (this.viewer != null)
- this.viewer.setSignaturePosition(x, y);
- }
-
- /**
- * Get the signature position
- *
- * @return the signature position
- */
- public SignaturePosition getPosition() {
- return this.position;
- }
-
- /* (non-Javadoc)
- * @see at.asit.pdfover.gui.composites.StateComposite#reloadResources()
- */
- @Override
- public void reloadResources() {
- SWTUtils.setLocalizedText(btnNewPage, (this.currentPage <= this.numPages) ? "positioning.newPage" : "positioning.removeNewPage");
- SWTUtils.setLocalizedText(btnSign, "positioning.sign");
- SWTUtils.setLocalizedText(lblPage, "positioning.page", this.currentPage, this.numPages);
- }
-}
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