Java tutorial
/******************************************************************************* * Copyright (c) 2012 Sanofi-Aventis Recherche et Dveloppement. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html * * Contributors: * Sanofi-Aventis Recherche et Dveloppement - initial API and implementation ******************************************************************************/ package fr.sanofi.fcl4transmart.model.classes.workUI.geneExpression; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import org.eclipse.jface.viewers.AbstractTreeViewer; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.ScrolledComposite; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.MessageBox; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import fr.sanofi.fcl4transmart.controllers.listeners.clinicalData.StudyContentProvider; import fr.sanofi.fcl4transmart.controllers.listeners.geneExpression.SetStudyTreeListener; import fr.sanofi.fcl4transmart.model.classes.StudyTree; import fr.sanofi.fcl4transmart.model.classes.TreeNode; import fr.sanofi.fcl4transmart.model.classes.dataType.GeneExpressionData; import fr.sanofi.fcl4transmart.model.interfaces.DataTypeItf; import fr.sanofi.fcl4transmart.model.interfaces.WorkItf; public class SetStudyTreeUI implements WorkItf { private DataTypeItf dataType; private TreeViewer viewer; private StudyTree studyTree; private Combo newLabelField; private Text newTextField; private TreeNode root; public SetStudyTreeUI(DataTypeItf dataType) { this.dataType = dataType; } @Override public Composite createUI(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); GridLayout gd = new GridLayout(); gd.numColumns = 1; gd.horizontalSpacing = 0; gd.verticalSpacing = 0; composite.setLayout(gd); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); ScrolledComposite scroller = new ScrolledComposite(composite, SWT.H_SCROLL | SWT.V_SCROLL); scroller.setLayoutData(new GridData(GridData.FILL_BOTH)); gd = new GridLayout(); gd.numColumns = 1; gd.horizontalSpacing = 0; gd.verticalSpacing = 0; scroller.setLayout(gd); scroller.setLayoutData(new GridData(GridData.FILL_BOTH)); Composite scrolledComposite = new Composite(scroller, SWT.NONE); scroller.setContent(scrolledComposite); GridLayout layout = new GridLayout(); layout.numColumns = 1; scrolledComposite.setLayout(layout); scrolledComposite.setLayoutData(new GridData(GridData.FILL_BOTH)); Composite body = new Composite(scrolledComposite, SWT.NONE); body.setLayoutData(new GridData(GridData.FILL_BOTH)); gd = new GridLayout(); gd.numColumns = 2; gd.horizontalSpacing = 5; gd.verticalSpacing = 5; body.setLayout(gd); this.root = new TreeNode(this.dataType.getStudy().toString(), null, false); this.initiate(); this.studyTree = new StudyTree(root); viewer = new TreeViewer(body, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL); viewer.setContentProvider(new StudyContentProvider()); viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); viewer.setInput(this.studyTree); GridData gridData = new GridData(GridData.FILL_BOTH); gridData.horizontalAlignment = SWT.FILL; gridData.verticalAlignment = SWT.FILL; gridData.grabExcessHorizontalSpace = true; gridData.grabExcessVerticalSpace = true; gridData.heightHint = 300; gridData.widthHint = 250; this.viewer.getControl().setLayoutData(gridData); Composite leftPart = new Composite(body, SWT.NONE); gd = new GridLayout(); gd.numColumns = 2; gd.horizontalSpacing = 5; gd.verticalSpacing = 5; leftPart.setLayout(gd); gridData = new GridData(); leftPart.setLayoutData(new GridData()); Label newTextLabel = new Label(leftPart, SWT.NONE); newTextLabel.setText("Free text"); newTextLabel.setLayoutData(new GridData()); this.newTextField = new Text(leftPart, SWT.BORDER); gridData = new GridData(); gridData.widthHint = 100; this.newTextField.setLayoutData(gridData); Button addText = new Button(leftPart, SWT.PUSH); addText.setText("Add free text"); addText.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { // TODO Auto-generated method stub IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); TreeNode node; if (selection.iterator().hasNext()) { node = (TreeNode) selection.iterator().next(); } else { displayMessage("Select a node first"); return; } if (node.hasChildren()) { displayMessage("A node can only have one child"); return; } if (newTextField.getText().compareTo("") == 0) { displayMessage("Choose a node name first"); return; } node.addChild(new TreeNode(newTextField.getText(), node, false)); viewer.setExpandedState(node, true); viewer.refresh(); } }); @SuppressWarnings("unused") Label space = new Label(leftPart, SWT.NONE); Label newLabelLabel = new Label(leftPart, SWT.NONE); newLabelLabel.setText("Choose property"); gridData = new GridData(); gridData.horizontalAlignment = SWT.FILL; gridData.verticalAlignment = SWT.FILL; gridData.grabExcessHorizontalSpace = true; gridData.grabExcessVerticalSpace = true; newLabelLabel.setLayoutData(new GridData(GridData.FILL_BOTH)); this.newLabelField = new Combo(leftPart, SWT.DROP_DOWN | SWT.BORDER | SWT.WRAP); this.newLabelField.addListener(SWT.KeyDown, new Listener() { public void handleEvent(Event event) { event.doit = false; } }); gridData = new GridData(); gridData.widthHint = 100; this.newLabelField.setLayoutData(gridData); //add the different properties this.newLabelField.add("subject_id"); this.newLabelField.add("site_id"); this.newLabelField.add("SAMPLE_ID"); this.newLabelField.add("PLATFORM"); this.newLabelField.add("TISSUETYPE"); this.newLabelField.add("ATTR1"); this.newLabelField.add("ATTR2"); Button addChild = new Button(leftPart, SWT.PUSH); addChild.setText("Add property"); addChild.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { // TODO Auto-generated method stub IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); TreeNode node; if (selection.iterator().hasNext()) { node = (TreeNode) selection.iterator().next(); } else { displayMessage("Select a node first"); return; } if (node.hasChildren()) { displayMessage("A node can only have one child"); return; } if (newLabelField.getText().compareTo("") == 0) { displayMessage("Choose a property first"); return; } node.addChild(new TreeNode(newLabelField.getText(), node, false)); viewer.setExpandedState(node, true); viewer.refresh(); } }); @SuppressWarnings("unused") Label space2 = new Label(leftPart, SWT.NONE); Button remove = new Button(leftPart, SWT.PUSH); remove.setText("Remove a node"); remove.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { IStructuredSelection selection = (IStructuredSelection) viewer.getSelection(); TreeNode node; if (selection.iterator().hasNext()) { node = (TreeNode) selection.iterator().next(); } else { displayMessage("Select a node first"); return; } if (node.getParent() == null) { displayMessage("Root can not be removed"); return; } node.getParent().removeChild(node); viewer.refresh(); } }); Button ok = new Button(scrolledComposite, SWT.PUSH); ok.setText("OK"); ok.addListener(SWT.Selection, new SetStudyTreeListener(this, this.dataType)); scrolledComposite.setSize(scrolledComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT)); return composite; } public void displayMessage(String message) { int style = SWT.ICON_INFORMATION | SWT.OK; MessageBox messageBox = new MessageBox(new Shell(), style); messageBox.setMessage(message); messageBox.open(); } public TreeNode getRoot() { return this.root; } public void initiate() { File stsmf = ((GeneExpressionData) this.dataType).getStsmf(); if (stsmf == null) return; String category; try { BufferedReader br = new BufferedReader(new FileReader(stsmf)); String line = br.readLine(); line = br.readLine(); category = line.split("\t", -1)[8]; br.close(); } catch (Exception e) { displayMessage("Error: " + e.getLocalizedMessage()); e.printStackTrace(); return; } if (category.compareTo("") == 0) { return; } String[] nodes = category.split("\\+", -1); TreeNode node = this.root; for (int i = 0; i < nodes.length; i++) { TreeNode child = new TreeNode(nodes[i].replace('_', ' '), node, false); node.addChild(child); node = child; } } }