org.springframework.ide.eclipse.boot.dash.views.RequestMappingLabelProvider.java Source code

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Here is the source code for org.springframework.ide.eclipse.boot.dash.views.RequestMappingLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2015 Pivotal, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pivotal, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.boot.dash.views;

import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.StyledString.Styler;
import org.eclipse.jface.viewers.ViewerCell;
import org.springframework.ide.eclipse.boot.dash.model.BootDashElement;
import org.springframework.ide.eclipse.boot.dash.model.requestmappings.RequestMapping;
import org.springframework.ide.eclipse.boot.dash.util.Stylers;
import org.springsource.ide.eclipse.commons.livexp.core.LiveExpression;

/**
 * @author Kris De Volder
 */
public class RequestMappingLabelProvider extends StyledCellLabelProvider {

    private LiveExpression<BootDashElement> bde;
    private Stylers stylers;
    private RequestMappingsColumn column;

    public RequestMappingLabelProvider(Stylers stylers, LiveExpression<BootDashElement> bde,
            RequestMappingsColumn column) {
        this.bde = bde;
        this.column = column;
        this.stylers = stylers;
    }

    @Override
    public void update(ViewerCell cell) {
        Object o = cell.getElement();
        if (o instanceof String) {
            if (column == RequestMappingsColumn.SRC) {
                cell.setText((String) o);
                cell.setStyleRanges(null);
            } else {
                cell.setText("");
            }
        } else if (o instanceof RequestMapping) {
            StyledString styledText = getStyledText((RequestMapping) o);
            if (styledText != null) {
                cell.setText(styledText.getString());
                cell.setStyleRanges(styledText.getStyleRanges());
            } else {
                cell.setText("" + cell.getElement());
                cell.setStyleRanges(null);
            }
        } else {
            cell.setText("");
            cell.setStyleRanges(null);
        }
    }

    protected StyledString getStyledText(RequestMapping rm) {
        Styler deemphasize = Stylers.NULL;
        if (!rm.isUserDefined()) {
            deemphasize = stylers.grey();
        }
        switch (column) {
        case PATH:
            String path = rm.getPath();
            String defaultPath = getDefaultPath(bde.getValue());
            if (defaultPath.equals(path)) {
                return new StyledString(path, stylers.bold());
            } else {
                return new StyledString(path, deemphasize);
            }
        case SRC:
            String m = rm.getMethodString();
            if (m != null) {
                return new StyledString(m, deemphasize);
            }
        default:
            break;
        }
        return new StyledString("???", deemphasize);
    }

    private String getDefaultPath(BootDashElement value) {
        if (value != null) {
            String path = value.getDefaultRequestMappingPath();
            if (path != null) {
                return path;
            }
        }
        return "";
    }

}