com.drgarbage.core.jface.ListPanel.java Source code

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Here is the source code for com.drgarbage.core.jface.ListPanel.java

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/**
 * Copyright (c) 2008-2012, Dr. Garbage Community
 *
 * 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 com.drgarbage.core.jface;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
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;

public class ListPanel {

    public static final String BULL = "\u2022";
    protected Composite control;
    protected List<Control> items = new ArrayList<Control>(8);
    protected int itemStyle;
    protected int itemWidthHint = IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH;
    private boolean numbered = false;
    protected int index = 1;
    protected Composite parent;
    protected int style;

    public ListPanel(Composite parent, int style, int itemStyle) {
        this(parent, style, itemStyle, IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
    }

    public ListPanel(Composite parent, int style, int itemStyle, int itemWidthHint) {
        super();
        this.parent = parent;
        this.style = style;
        this.itemStyle = itemStyle;
        this.itemWidthHint = itemWidthHint;
    }

    public void addHttpPathLink(String text) {

        createBullet();

        Link link = createHttpPathLinkItem();
        link.setText(text);

        items.add(link);
    }

    public void addPreferencePageLink(String text) {

        createBullet();

        Link link = createPreferencePageLinkItem();
        link.setText(text);

        items.add(link);
    }

    public void addText(String text) {
        createBullet();

        Label lbl = createTextItem();
        lbl.setText(text);

        items.add(lbl);
    }

    protected void adjustStyle(Control control) {
        control.setFont(parent.getFont());
        control.setBackground(parent.getBackground());
        control.setForeground(parent.getForeground());
        control.setLayoutData(createItemGridData());
    }

    protected Label createBullet() {
        Label lbl = createTextItem();

        if (numbered) {
            lbl.setText(String.valueOf(index++) + ".");
        } else {
            lbl.setText(BULL);
        }

        GridData gd = new GridData();
        gd.horizontalIndent = IDialogConstants.HORIZONTAL_MARGIN;
        gd.verticalAlignment = SWT.BEGINNING;
        gd.verticalIndent = IDialogConstants.VERTICAL_SPACING;
        lbl.setLayoutData(gd);
        return lbl;
    }

    protected Composite createControl() {
        Composite result = new Composite(parent, style);
        result.setLayout(createControlLayout());
        return result;
    }

    protected GridLayout createControlLayout() {
        GridLayout gl = new GridLayout();
        gl.numColumns = 2;
        gl.marginWidth = 0;
        gl.marginHeight = 0;
        gl.horizontalSpacing = IDialogConstants.HORIZONTAL_SPACING;
        gl.verticalSpacing = IDialogConstants.VERTICAL_SPACING;
        return gl;
    }

    protected Link createHttpPathLinkItem() {
        Composite parent = getControl();
        Link result = LinkFactory.createHttpPathLink(parent, itemStyle);
        adjustStyle(result);
        return result;
    }

    protected GridData createItemGridData() {
        GridData gd = new GridData();
        gd.horizontalIndent = SWT.FILL;
        gd.verticalAlignment = SWT.BEGINNING;
        gd.verticalIndent = IDialogConstants.VERTICAL_SPACING;
        gd.widthHint = itemWidthHint;

        return gd;
    }

    protected Link createPreferencePageLinkItem() {
        Composite parent = getControl();
        Link result = LinkFactory.createPreferencePageLink(parent, itemStyle);
        adjustStyle(result);
        return result;
    }

    protected Label createTextItem() {
        Composite parent = getControl();
        Label result = new Label(parent, itemStyle);
        adjustStyle(result);
        return result;
    }

    public Composite getControl() {
        if (control == null) {
            control = createControl();
        }
        return control;
    }

    public boolean isNumbered() {
        return numbered;
    }

    public void setNumbered(boolean numbered) {
        this.numbered = numbered;
    }

}