org.geneweaver.query.ui.PathChoice Maven / Gradle / Ivy

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package org.geneweaver.query.ui;

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.function.Consumer;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;

/**
 * A composite containing a label and a button for choosing a file.
 * @author gerrim
 * 
 * Add bit SWT.
 * 
 */
public class PathChoice extends Composite {
	
	public static enum Type {
		File, Directory;
	}

	private Consumer consumer;
	private Label flabel;
	private Type type;
	private String fileLabelText="Input file";

	public PathChoice(Composite parent, int style, Consumer consumer, Type type) {
		super(parent, style);
		setLayout(new GridLayout(3, false));
		setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));
		this.consumer = consumer;
		this.type = type;
	}

	/**
	 * Call to create the widgets.
	 */
	public void createControls() {
	    Label label = new Label(this, SWT.LEFT);
	    label.setText(fileLabelText);
	    label.setToolTipText("Choose the input file which has columns such as rsId, SNP etc. and MUST be in CSV/TSV style format.");
	    
	    final Button ci = new Button(this, SWT.PUSH);
	    ci.setImage(ImageDescriptor.createFromURL(getClass().getClassLoader().getResource("folder.png")).createImage());
	   
	    this.flabel = new Label(this, SWT.LEFT);
	    flabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
	    
	    ci.addSelectionListener(new SelectionAdapter() {
	    	public void widgetSelected(SelectionEvent e) {
	    		
	    		String path = null;
	    		if (type == Type.File) {
		    		FileDialog fdialog = new FileDialog(getShell(), SWT.APPLICATION_MODAL|SWT.OPEN);
		    		path = fdialog.open();
	    		} else if (type == Type.Directory) {
	    			DirectoryDialog ddialog = new DirectoryDialog(getShell(), SWT.APPLICATION_MODAL|SWT.OPEN);
		    		path = ddialog.open();
	    		}
	    		Path pnew = Paths.get(path);
	    		if (type == Type.File) {
	    			setFileText(pnew.getFileName().toString());
	    		} else {
	    			setFileText(pnew.toString());
	    		}
	    		consumer.accept(pnew);
	    	}
		});
	}
	
	public void setFileText(String text) {
		flabel.setText(text);
		layout(new Control[] {flabel});
		getParent().layout(new Control[] {this});
	}

	/**
	 * @return the fileLabelText
	 */
	public String getFileLabelText() {
		return fileLabelText;
	}

	/**
	 * @param fileLabelText the fileLabelText to set
	 */
	public void setFileLabelText(String fileLabelText) {
		this.fileLabelText = fileLabelText;
	}

}