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annotate dwtx/draw2d/text/ContentBox.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2004, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.draw2d.text.ContentBox;
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14
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15 import dwt.dwthelper.utils;
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16 import dwtx.draw2d.text.FlowBox;
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17 import dwtx.draw2d.text.LineRoot;
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18
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19 /**
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20 * FlowBoxes that are leaf nodes.
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21 *
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22 * @author Pratik Shah
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23 * @since 3.1
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24 */
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25 public abstract class ContentBox : FlowBox {
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26
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27 private int bidiLevel = -1;
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28 private LineRoot lineRoot;
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29
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30 /**
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31 * @see FlowBox#getBaseline()
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32 */
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33 public int getBaseline() {
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34 return lineRoot.getBaseline();
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35 }
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36
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37 /**
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38 * @return the Bidi level of this box, if one has been set; -1 otherwise
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39 * @see #setBidiLevel(int)
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40 */
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41 public int getBidiLevel() {
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42 return bidiLevel;
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43 }
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44
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45 /**
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46 * @see dwtx.draw2d.text.FlowBox#getLineRoot()
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47 */
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48 LineRoot getLineRoot() {
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49 return lineRoot;
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50 }
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51
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52 /**
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53 * Returns <code>true</code> if the bidi level for this box is specified, and is not the
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54 * default level (0).
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55 * @see dwtx.draw2d.text.FlowBox#requiresBidi()
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56 */
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57 public bool requiresBidi() {
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58 return bidiLevel > 0;
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59 }
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60
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61 /**
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62 * Sets the Bidi level of this fragment. It is used to rearrange fragments as defined
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63 * by the Unicode Bi-directional algorithm. Valid values are -1 (meaning no Bidi level),
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64 * or any non-negative integer less than 62.
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65 * @param newLevel the new BidiLevel
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66 * @see #getBidiLevel()
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67 */
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68 public void setBidiLevel(int newLevel) {
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69 bidiLevel = newLevel;
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70 }
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71
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72 void setLineRoot(LineRoot root) {
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73 this.lineRoot = root;
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74 }
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75
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76 }