hydrograph.ui.propertywindow.widgets.customwidgets.mapping.tables.inputtable.InputFieldColumnLabelProvider.java Source code

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Here is the source code for hydrograph.ui.propertywindow.widgets.customwidgets.mapping.tables.inputtable.InputFieldColumnLabelProvider.java

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/*******************************************************************************
 * Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/

package hydrograph.ui.propertywindow.widgets.customwidgets.mapping.tables.inputtable;

import java.util.regex.Pattern;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.TableItem;

import hydrograph.ui.datastructure.property.mapping.InputField;

public class InputFieldColumnLabelProvider extends ColumnLabelProvider {

    @Override
    public String getText(Object element) {
        return ((InputField) element).getFieldName();
    }

    @Override
    public String getToolTipText(Object element) {
        if (((InputField) element).getErrorObject().isHasError()) {
            return ((InputField) element).getErrorObject().getErrorMessage();
        }
        return null;
    }

    @Override
    public Point getToolTipShift(Object object) {
        return new Point(5, 5);
    }

    @Override
    public int getToolTipDisplayDelayTime(Object object) {
        return 100; // msec
    }

    @Override
    public int getToolTipTimeDisplayed(Object object) {
        return 5000; // msec
    }

    @Override
    public void update(ViewerCell cell) {
        TableItem item = (TableItem) cell.getItem();

        Pattern pattern = Pattern.compile("^[a-zA-Z0-9 _]*$");

        if (!pattern.matcher(((InputField) cell.getElement()).getFieldName()).matches()) {
            item.setBackground(cell.getControl().getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
            item.setForeground(cell.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
            ((InputField) cell.getElement()).getErrorObject()
                    .setErrorMessage("Input field should match regular expression- \"^[a-zA-Z0-9_]*$\" ");
            ((InputField) cell.getElement()).getErrorObject().setHasError(true);
        } else {

            if (((InputField) cell.getElement()).getFieldName().trim().equalsIgnoreCase("")) {
                item.setBackground(cell.getControl().getDisplay().getSystemColor(SWT.COLOR_RED));
                ((InputField) cell.getElement()).getErrorObject()
                        .setErrorMessage("Input field should not be empty");
                ((InputField) cell.getElement()).getErrorObject().setHasError(true);
            } else {
                ((InputField) cell.getElement()).getErrorObject().setHasError(false);
            }

        }
        super.update(cell);
    }

}