From ccc3d5358ccc4c698c73d780d28415e131224fc0 Mon Sep 17 00:00:00 2001 From: tkellner Date: Fri, 24 Aug 2012 17:04:51 +0000 Subject: StateMachine cleanup JumpToState stuff git-svn-id: https://svn.iaik.tugraz.at/svn/egiz/prj/current/12PDF-OVER-4.0@12389 3a0b52a2-8410-0410-bc02-ff6273a87459 --- .../gui/composites/DataSourceSelectComposite.java | 293 +++++++++++++++++++++ 1 file changed, 293 insertions(+) create mode 100644 trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/DataSourceSelectComposite.java (limited to 'trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/DataSourceSelectComposite.java') diff --git a/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/DataSourceSelectComposite.java b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/DataSourceSelectComposite.java new file mode 100644 index 00000000..44b2574b --- /dev/null +++ b/trunk/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/DataSourceSelectComposite.java @@ -0,0 +1,293 @@ +/* + * 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.io.File; + +import org.eclipse.swt.widgets.Button; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Display; +import org.eclipse.swt.widgets.FileDialog; +import org.eclipse.swt.widgets.Label; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.eclipse.swt.graphics.Color; +import org.eclipse.swt.graphics.Font; +import org.eclipse.swt.graphics.FontData; +import org.eclipse.swt.graphics.Point; +import org.eclipse.swt.layout.FormAttachment; +import org.eclipse.swt.layout.FormData; +import org.eclipse.swt.layout.FormLayout; +import org.eclipse.swt.SWT; +import org.eclipse.swt.dnd.*; +import org.eclipse.swt.events.SelectionEvent; +import org.eclipse.swt.events.SelectionListener; + +import at.asit.pdfover.gui.workflow.StateMachineImpl; +import at.asit.pdfover.gui.workflow.states.State; + +/** + * + * + */ +public class DataSourceSelectComposite extends StateComposite { + + /** + * + */ + private final class FileBrowseDialog implements SelectionListener { + /** + * + */ + public FileBrowseDialog() { + // Nothing to do here + } + + @Override + public void widgetSelected(SelectionEvent e) { + FileDialog dialog = new FileDialog(DataSourceSelectComposite.this.getShell(), SWT.OPEN); + dialog.setFilterExtensions(new String[] {"*.pdf"}); + dialog.setFilterNames(new String[] {"PDF Dateien"}); + String fileName = dialog.open(); + File file = null; + if (fileName != null) { + file = new File(fileName); + if(file.exists()) { + DataSourceSelectComposite.this.setSelected(file); + } + } + } + + @Override + public void widgetDefaultSelected(SelectionEvent e) { + // Nothing to do here + } + } + + /** + * SFL4J Logger instance + **/ + private static final Logger log = LoggerFactory + .getLogger(DataSourceSelectComposite.class); + + /** + * Set this value through the setter method!! + */ + private File selected = null; + + /** + * Sets the selected file and calls update to the workflow + * @param selected + */ + protected void setSelected(File selected) { + this.selected = selected; + this.state.updateStateMachine(); + } + + /** + * Gets the selected file + * + * @return the selected file + */ + public File getSelected() { + return this.selected; + } + + /** + * Create the composite. + * + * @param parent + * @param style + * @param state + */ + public DataSourceSelectComposite(Composite parent, int style, State state) { + super(parent, style, state); + + + this.setLayout(new FormLayout()); + + Color back = new Color(Display.getCurrent(), 77, 190, 250); + + this.drop_area = new Composite(this, SWT.RESIZE | SWT.BORDER_DASH); + FormData fd_drop_area = new FormData(); + fd_drop_area.left = new FormAttachment(0, 0); + fd_drop_area.right = new FormAttachment(100, 0); + fd_drop_area.top = new FormAttachment(0, 0); + fd_drop_area.bottom = new FormAttachment(100, 0); + this.drop_area.setLayoutData(fd_drop_area); + this.drop_area.setLayout(new FormLayout()); + this.drop_area.setBackground(back); + + DropTarget dnd_target = new DropTarget(this.drop_area, DND.DROP_DEFAULT + | DND.DROP_COPY); + final FileTransfer fileTransfer = FileTransfer.getInstance(); + Transfer[] types = new Transfer[] { fileTransfer }; + dnd_target.setTransfer(types); + + dnd_target.addDropListener(new DropTargetListener() { + + @Override + public void dropAccept(DropTargetEvent event) { + // TODO Auto-generated method stub + + } + + @Override + public void drop(DropTargetEvent event) { + if (fileTransfer.isSupportedType(event.currentDataType)){ + String[] files = (String[])event.data; + if(files.length > 0) { + // Only taking first file ... + File file = new File(files[0]); + if(!file.exists()) + { + log.error("File: " + files[0] + " doesnot exists!"); + return; + } + DataSourceSelectComposite.this.setSelected(file); + } + } + } + + @Override + public void dragOver(DropTargetEvent event) { + // TODO Auto-generated method stub + + } + + @Override + public void dragOperationChanged(DropTargetEvent event) { + if (event.detail == DND.DROP_DEFAULT) { + if ((event.operations & DND.DROP_COPY) != 0) { + event.detail = DND.DROP_COPY; + } else { + event.detail = DND.DROP_NONE; + } + } + } + + @Override + public void dragLeave(DropTargetEvent event) { + // No need to do anything here... + } + + @Override + public void dragEnter(DropTargetEvent event) { + if (event.detail == DND.DROP_DEFAULT) { + if ((event.operations & DND.DROP_COPY) != 0) { + event.detail = DND.DROP_COPY; + } else { + event.detail = DND.DROP_NONE; + } + } + // Only drop one item! + if(event.dataTypes.length > 1) { + event.detail = DND.DROP_NONE; + return; + } + // will accept text but prefer to have files dropped + for (int i = 0; i < event.dataTypes.length; i++) { + if (fileTransfer.isSupportedType(event.dataTypes[i])) { + event.currentDataType = event.dataTypes[i]; + // files should only be copied + if (event.detail != DND.DROP_COPY) { + event.detail = DND.DROP_NONE; + } + break; + } + } + } + }); + + final Label lbl_drag = new Label(this.drop_area, SWT.NONE | SWT.RESIZE); + FormData fd_lbl_drag = new FormData(); + fd_lbl_drag.left = new FormAttachment(5, 5); + fd_lbl_drag.right = new FormAttachment(100, -5); + fd_lbl_drag.top = new FormAttachment(5, 5); + fd_lbl_drag.bottom = new FormAttachment(55, -5); + lbl_drag.setLayoutData(fd_lbl_drag); + FontData[] fD = lbl_drag.getFont().getFontData(); + fD[0].setHeight(18); + lbl_drag.setFont(new Font(Display.getCurrent(), fD[0])); + lbl_drag.setText("Drag and Drop"); + lbl_drag.setAlignment(SWT.CENTER); + lbl_drag.setBackground(back); + + Button btn_open = new Button(this.drop_area, SWT.NATIVE | SWT.RESIZE); + btn_open.setText("Choose file ..."); + Point size = btn_open.computeSize(SWT.DEFAULT, SWT.DEFAULT); + FormData fd_btn_open = new FormData(); + fd_btn_open.left = new FormAttachment(100, size.x * -1 - 10); + fd_btn_open.right = new FormAttachment(100, -5); + fd_btn_open.top = new FormAttachment(100, size.y * -1 - 10); + fd_btn_open.bottom = new FormAttachment(100, -5); + btn_open.setLayoutData(fd_btn_open); + btn_open.setBackground(back); + btn_open.addSelectionListener(new FileBrowseDialog()); + this.drop_area.pack(); + + /* + * Button btn = new Button(this, SWT.NATIVE); btn.setBounds(50, 20, 100, + * 50); btn.setText("Click Me"); btn.addSelectionListener(new + * SelectionListener() { + * + * @Override public void widgetSelected(SelectionEvent arg0) { + * DataSourceSelectComposite.this.setPress(true); + * DataSourceSelectComposite.this.workflow.update(); } + * + * @Override public void widgetDefaultSelected(SelectionEvent arg0) { // + * TODO Auto-generated method stub + * + * } }); + */ + } + + private boolean press = false; + + private Composite drop_area; + + @Override + protected void checkSubclass() { + // Disable the check that prevents subclassing of SWT components + } + + /** + * @return the press + */ + public boolean isPress() { + return this.press; + } + + /** + * @param press + * the press to set + */ + public void setPress(boolean press) { + this.press = press; + } + + /* + * (non-Javadoc) + * + * @see at.asit.pdfover.gui.components.StateComposite#doLayout() + */ + @Override + public void doLayout() { + this.layout(true, true); + this.drop_area.layout(true, true); + } +} -- cgit v1.2.3