RtePropertyPage.java

package com.arm.cmsis.pack.project.ui;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IPath;
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.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PropertyPage;

import com.arm.cmsis.pack.common.CmsisConstants;
import com.arm.cmsis.pack.data.ICpComponent;
import com.arm.cmsis.pack.info.ICpComponentInfo;
import com.arm.cmsis.pack.info.ICpFileInfo;
import com.arm.cmsis.pack.info.ICpPackInfo;
import com.arm.cmsis.pack.project.IHelpContextIds;
import com.arm.cmsis.pack.project.Messages;
import com.arm.cmsis.pack.project.utils.ProjectUtils;
import com.arm.cmsis.pack.ui.CpPlugInUI;
import com.arm.cmsis.pack.ui.OpenURL;

public class RtePropertyPage extends PropertyPage {

	private IFile file = null;
	private ICpFileInfo fi = null;
	private ICpComponentInfo ci = null;

	/**
	 * Constructor for SamplePropertyPage.
	 */
	public RtePropertyPage() {
		super();
	}

	@Override
	public void dispose() {
		super.dispose();
		file = null;
		fi = null;
		ci = null;
	}

	private void addFileSection(Composite parent) {
		Composite composite = createSectionComposite(parent, 2);

		if(file == null) {
			return;
		}

		//Label for path field
		Label label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_Path);

		IPath fullPath = file.getFullPath();

		// Path text field
		Text projectPathText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
		projectPathText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
		projectPathText.setText(fullPath.toString());

		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_Location);

		// Path text field
		Text locationText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
		locationText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
		IPath absPath = file.getRawLocation();
		if(absPath != null) {
			locationText.setText(absPath.toString());
		}

		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_Type);
		Text typeText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
		String type = null;
		String version = null;
		if(fi != null) {
			type = fi.getAttribute(CmsisConstants.ATTR);
			if(!type.isEmpty())
			 {
				type += " "; //$NON-NLS-1$
			}
			type += fi.getAttribute(CmsisConstants.CATEGORY);
			version = fi.getVersion();
		} else if(file.getProjectRelativePath().toString().equals(CmsisConstants.RTE_RTE_Components_h)) {
			type = "generated by RTE Configuration"; //$NON-NLS-1$
		}

		if(type != null) {
			typeText.setText(type);
		}
		if(version != null) {
			label = new Label(composite, SWT.NONE);
			label.setText(Messages.RtePropertyPage_Version);
			Text verText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
			verText.setText(version);
		}


	}

	private void addSeparator(Composite parent) {
		Label separator = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL);
		GridData gridData = new GridData();
		gridData.horizontalAlignment = GridData.FILL;
		gridData.grabExcessHorizontalSpace = true;
		separator.setLayoutData(gridData);
	}

	private void addComponentSection(Composite parent) {
		if(ci == null) {
			return;
		}
		ICpComponent c = ci.getComponent();

		addSeparator(parent);

		Composite composite = createSectionComposite(parent, 3);

		//Label for path field
		Label label = new Label(composite, SWT.NONE);
		label.setImage(CpPlugInUI.getImage(CpPlugInUI.ICON_COMPONENT));

		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_Component);

		// Path text field
		Text nameText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
		nameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
		nameText.setText(ci.getName());

		label = new Label(composite, SWT.NONE); // dummy
		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_Version);
		Text verText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
		verText.setText(ci.getVersion());

		label = new Label(composite, SWT.NONE); // dummy
		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_ResolvedVersion);
		verText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
		if(c != null) {
			verText.setText(c.getVersion());
		}

		label = new Label(composite, SWT.NONE); // dummy
		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_Description);

		final String url;
		String descr = null;
		if(c != null) {
			url = c.getUrl();
			descr = c.getDescription();
		} else {
			descr = Messages.RtePropertyPage_ComponentNotFound;
			url = null;
		}

		if(url != null) {
			createLink(composite, url, descr);
		} else {
			// Path text field
			Text descrText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
			descrText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
			if(descr != null) {
				descrText.setText(descr);
			}
		}



	}

	private void addPackSection(Composite parent) {
		if(ci == null) {
			return;
		}
		ICpPackInfo pi = ci.getPackInfo();
		if(pi == null) {
			return;
		}
		addSeparator(parent);

		Composite composite = createSectionComposite(parent, 3);

		//Label for path field
		Label label = new Label(composite, SWT.NONE);
		label.setImage(CpPlugInUI.getImage(CpPlugInUI.ICON_PACKAGE));

		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_SoftwarePack);
		// Path text field
		Text nameText = new Text(composite, SWT.WRAP | SWT.READ_ONLY);
		nameText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
		nameText.setText(pi.getId());

		label = new Label(composite, SWT.NONE); // dummy
		label = new Label(composite, SWT.NONE);
		label.setText(Messages.RtePropertyPage_URL);

		final String url = pi.getUrl();
		createLink(composite, url, null);
	}


	private Link createLink( Composite parent, final String url, String descr){
		if(descr == null || descr.isEmpty()) {
			descr = url;
		}
		if(url != null)
		 {
			descr = "<a href=\"" + url + "\">" + descr + "</a>"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
		}
		Link link = new Link(parent, SWT.NONE);
		if(descr != null) {
			link.setText(descr);
		}
		link.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	    link.addSelectionListener(new SelectionAdapter(){
	    	 @Override
	         public void widgetSelected(SelectionEvent e) {
	    		 OpenURL.open(url, getShell());
	    	}
	    });
		return link;
	}

	@Override
	protected Control createContents(Composite parent) {
		initFieldVariables();
		Composite composite = new Composite(parent, SWT.NONE);
		GridLayout layout = new GridLayout();
		composite.setLayout(layout);
		GridData data = new GridData(GridData.FILL);
		data.grabExcessHorizontalSpace = true;
		composite.setLayoutData(data);

		addFileSection(composite);
		addComponentSection(composite);
		addPackSection(composite);

		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IHelpContextIds.RTE_PROPERTY_PAGE);
		return composite;
	}

	private void initFieldVariables() {
		file = ProjectUtils.getRteFileResource(getElement());
		if(file == null) {
			return;
		}
		fi = ProjectUtils.getCpFileInfo(file);
		if(fi != null) {
			ci = fi.getComponentInfo();
		}
	}

	private Composite createSectionComposite(Composite parent, int numColumns) {
		Composite composite = new Composite(parent, SWT.NULL);
		GridLayout layout = new GridLayout();
		layout.numColumns = numColumns;
		composite.setLayout(layout);

		GridData data = new GridData();
		data.verticalAlignment = GridData.FILL;
		data.horizontalAlignment = GridData.FILL;
		composite.setLayoutData(data);

		return composite;
	}
}