com.hudson.hibernatesynchronizer.preferences.AddTemplateDialog.java Source code

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Here is the source code for com.hudson.hibernatesynchronizer.preferences.AddTemplateDialog.java

Source

/**
 * This software is licensed under the general public license.  See http://www.gnu.org/copyleft/gpl.html
 * for more information.
 */
package com.hudson.hibernatesynchronizer.preferences;

import java.io.IOException;
import java.io.StringWriter;
import java.util.List;

import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.hudson.hibernatesynchronizer.Constants;
import com.hudson.hibernatesynchronizer.Plugin;
import com.hudson.hibernatesynchronizer.custom.Snippet;
import com.hudson.hibernatesynchronizer.custom.Template;
import com.hudson.hibernatesynchronizer.custom.TemplateManager;

/**
 * @author <a href="mailto: joe@binamics.com">Joe Hudson </a>
 */
public class AddTemplateDialog extends Dialog {

    private TemplatePreferences parent;

    private Template template;

    private Text name;

    private Combo context;

    private Text description;

    private StyledText content;

    private boolean isSnippet;

    public AddTemplateDialog(Shell parentShell, TemplatePreferences parent, boolean isSnippet) {
        super(parentShell);
        if (isSnippet)
            this.template = new Snippet();
        else
            this.template = new Template();
        this.parent = parent;
        this.isSnippet = isSnippet;
    }

    protected Control createDialogArea(Composite parent) {
        Composite composite = new Composite(parent, SWT.NULL);
        composite.setLayout(new GridLayout(3, false));

        Label label = new Label(composite, SWT.NULL);
        label.setText("Name:");
        name = new Text(composite, SWT.BORDER);
        GridData gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.grabExcessHorizontalSpace = true;
        if (isSnippet) {
            gd.horizontalSpan = 2;
        }
        gd.widthHint = 275;
        name.setLayoutData(gd);
        if (!isSnippet) {
            context = new Combo(composite, SWT.READ_ONLY);
            context.add("Java class");
            context.add("Resource");
            context.select(0);
            gd = new GridData();
            gd.horizontalAlignment = SWT.END;
            gd.grabExcessHorizontalSpace = true;
            context.setLayoutData(gd);
        }
        label = new Label(composite, SWT.NULL);
        label.setText("Description:");
        description = new Text(composite, SWT.BORDER);
        gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.grabExcessHorizontalSpace = true;
        gd.horizontalSpan = 2;
        gd.widthHint = 385;
        description.setLayoutData(gd);
        content = new StyledText(composite, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
        gd = new GridData(GridData.FILL_BOTH);
        gd.grabExcessHorizontalSpace = true;
        gd.grabExcessVerticalSpace = true;
        gd.horizontalSpan = 3;
        gd.widthHint = 440;
        gd.heightHint = 400;
        content.setLayoutData(gd);

        return parent;
    }

    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, 1, "Save", true);
        createButton(parent, 2, "Cancel", true);

    }

    public void loadTemplate() {
        template.setName(name.getText().trim());
        if (!isSnippet)
            template.setContext(context.getItem(context.getSelectionIndex()));
        template.setDescription(description.getText().trim());
        template.setContent(content.getText());
    }

    protected void buttonPressed(int buttonId) {
        try {
            if (buttonId == 1) {
                loadTemplate();
                try {
                    List errors = template.validate();
                    if (errors.size() == 0) {
                        if (isSnippet) {
                            if (null != TemplateManager.getInstance().getSnippetByName(template.getName(), null)) {
                                MessageDialog.openError(getParentShell(), "Validation Error",
                                        "The snippet must have a unique name");
                                return;
                            }
                        } else {
                            if (null != TemplateManager.getInstance().findTemplateByName(template.getName())) {
                                MessageDialog.openError(getParentShell(), "Validation Error",
                                        "The template must have a unique name");
                                return;
                            }
                        }
                        StringWriter sw = new StringWriter();
                        try {
                            Constants.templateGenerator.evaluate(new VelocityContext(), sw,
                                    Velocity.class.getName(), template.getContent());
                        } catch (Exception e) {
                            MessageDialog.openError(getParentShell(), "Velocity Error", e.getMessage());
                            return;
                        }
                        this.close();
                        template.save();
                        if (isSnippet) {
                            TemplateManager.getInstance().reloadSnippets();
                            parent.reloadSnippets();
                        } else {
                            TemplateManager.getInstance().reloadTemplates();
                            Plugin.getDefault().reloadVelocityEngines();
                            parent.reloadTemplates();
                        }
                    } else {
                        StringBuffer sb = new StringBuffer();
                        for (int i = 0; i < errors.size(); i++) {
                            if (i > 0)
                                sb.append("\n");
                            sb.append(errors.get(i));
                        }
                        MessageDialog.openError(getParentShell(), "Validation Error", sb.toString());
                    }
                } catch (IOException e) {
                    Plugin.logError(e);
                }
            } else if (buttonId == 2) {
                this.close();
            }
        } catch (Exception e) {
        }
    }
}