SimpleTypeInputDialog.java

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//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
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package com.amalto.workbench.dialogs;

import java.util.List;
import java.util.regex.Pattern;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.xsd.XSDComplexTypeDefinition;
import org.eclipse.xsd.XSDSchema;
import org.eclipse.xsd.XSDTypeDefinition;

import com.amalto.workbench.actions.XSDChangeBaseTypeAction;
import com.amalto.workbench.actions.XSDChangeToSimpleTypeAction;
import com.amalto.workbench.actions.XSDNewSimpleTypeDefinition;
import com.amalto.workbench.i18n.Messages;
import com.amalto.workbench.utils.XSDUtil;
import com.amalto.workbench.widgets.ElementComposite;

public class SimpleTypeInputDialog extends Dialog implements ModifyListener {

    protected List<String> customTypes = null;

    protected List<String> builtInTypes = null;

    private SelectionListener caller = null;

    private XSDSchema xsdSchema = null;

    private String title = "";//$NON-NLS-1$

    private String typeName = null;

    private ElementComposite elemPanel = null;

    private Label infoLabel = null;

    private String defaultTypeName;

    /**
     * @param parentShell
     * @param defaultTypeName
     */
    public SimpleTypeInputDialog(SelectionListener caller, Shell parentShell, XSDSchema schema, String title, List customTypes,
            List builtInTypes, String defaultTypeName) {
        super(parentShell);
        this.caller = caller;
        this.title = title;
        this.customTypes = customTypes;
        this.builtInTypes = builtInTypes;
        this.defaultTypeName = defaultTypeName;
        xsdSchema = schema;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        // Should not really be here but well,....
        parent.getShell().setText(this.title);

        final Composite composite = (Composite) super.createDialogArea(parent);
        // encapsulate all widgets into the ElementComposite which can be applied to several cases
        elemPanel = new ElementComposite(composite, customTypes, builtInTypes, defaultTypeName, false);
        elemPanel.getTypeCombo().addModifyListener(this);

        infoLabel = new Label(composite, SWT.NONE);
        infoLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
        infoLabel.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));

        return elemPanel.getComposite();
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        super.createButtonsForButtonBar(parent);
        getButton(IDialogConstants.OK_ID).addSelectionListener(this.caller);
        /*
         * createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); createButton(parent,
         * IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
         */
    }

    @Override
    protected void okPressed() {
        typeName = elemPanel.getText().trim();
        // if ((typeName==null) || ("".equals(typeName))) {
        // MessageDialog.openError(
        // this.getShell(),
        // "Error", "The Key Name cannot be empty"
        // );
        // setReturnCode(-1);
        // elemPanel.setFocus();
        // return;
        // }
        //
        setReturnCode(OK);
        // no close let Action Handler handle it
    }

    public boolean isBuiltIn() {
        return elemPanel.isBuiltIn();
    }

    public String getTypeName() {
        return typeName;
    }

    public void modifyText(ModifyEvent e) {
        getButton(IDialogConstants.OK_ID).setEnabled(true);
        infoLabel.setText("");//$NON-NLS-1$
        String type = elemPanel.getText();
        if (Pattern.compile("^\\s+\\w+\\s*").matcher(type).matches()//$NON-NLS-1$
                || type.trim().replaceAll("\\s", "").length() != type.trim().length()) {//$NON-NLS-1$//$NON-NLS-2$
            infoLabel.setText(Messages.SimpleTypeInputDialog_infoLabelText);
            getButton(IDialogConstants.OK_ID).setEnabled(false);
            return;
        }
        type = type.trim();
        if (!XSDUtil.isValidatedXSDName(type)) {
            infoLabel.setText(Messages.InvalidName_Message);
            getButton(IDialogConstants.OK_ID).setEnabled(false);
            return;
        }
        for (XSDTypeDefinition simpType : xsdSchema.getTypeDefinitions()) {
            String typeToCompare = simpType.getName();
            int delimiter = type.indexOf(" : ");//$NON-NLS-1$
            if (delimiter != -1) {
                type = type.substring(0, delimiter);
            }
            if (typeToCompare.equals(type)) {
                if (caller instanceof XSDNewSimpleTypeDefinition) {
                    infoLabel.setText(Messages.SimpleTypeInputDialog_SameName);
                    getButton(IDialogConstants.OK_ID).setEnabled(false);
                } else if ((caller instanceof XSDChangeToSimpleTypeAction || caller instanceof XSDChangeBaseTypeAction)
                        && simpType instanceof XSDComplexTypeDefinition) {
                    infoLabel.setText(Messages.SimpleTypeInputDialog_SameName);
                    getButton(IDialogConstants.OK_ID).setEnabled(false);
                }
                return;
            }
        }
    }
}