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Diffstat (limited to 'xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/ColumnStyle.java')
| -rw-r--r-- | xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/ColumnStyle.java | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/ColumnStyle.java b/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/ColumnStyle.java new file mode 100644 index 000000000000..e937cfd7acb4 --- /dev/null +++ b/xmerge/source/xmerge/java/org/openoffice/xmerge/converter/xml/sxc/ColumnStyle.java @@ -0,0 +1,291 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package org.openoffice.xmerge.converter.xml.sxc; + +import org.w3c.dom.NodeList; +import org.w3c.dom.Node; +import org.w3c.dom.NamedNodeMap; +import org.w3c.dom.Element; + +import org.openoffice.xmerge.converter.xml.Style; +import org.openoffice.xmerge.converter.xml.StyleCatalog; +import org.openoffice.xmerge.util.Debug; +import org.openoffice.xmerge.util.TwipsConverter; + +/** + * Represents a text <code>Style</code> in an OpenOffice document. + * + * @author Martin Maher + */ +public class ColumnStyle extends Style implements Cloneable { + + private int colWidth = 0; + /** + * Constructor for use when going from DOM to client device format. + * + * @param node The <i>style:style</i> <code>Node</code> containing + * the <code>Style</code>. (This <code>Node</code> is + * assumed have a <i>family</i> attribute of <i>text</i>). + * @param sc The <code>StyleCatalog</code>, which is used for + * looking up ancestor <code>Style</code> objects. + */ + public ColumnStyle(Node node, StyleCatalog sc) { + super(node, sc); + + // Run through the attributes of this node, saving + // the ones we're interested in. + NamedNodeMap attrNodes = node.getAttributes(); + if (attrNodes != null) { + int len = attrNodes.getLength(); + for (int i = 0; i < len; i++) { + Node attr = attrNodes.item(i); + handleAttribute(attr.getNodeName(), attr.getNodeValue()); + } + } + + // Look for children. Only ones we care about are "style:properties" + // nodes. If any are found, recursively traverse them, passing + // along the style element to add properties to. + if (node.hasChildNodes()) { + NodeList children = node.getChildNodes(); + int len = children.getLength(); + for (int i = 0; i < len; i++) { + Node child = children.item(i); + String name = child.getNodeName(); + if (name.equals("style:properties")) { + NamedNodeMap childAttrNodes = child.getAttributes(); + if (childAttrNodes != null) { + int nChildAttrNodes = childAttrNodes.getLength(); + for (int j = 0; j < nChildAttrNodes; j++) { + Node attr = childAttrNodes.item(j); + handleAttribute(attr.getNodeName(), + attr.getNodeValue()); + } + } + } + } + } + } + + /** + * Constructor for use when going from client device format to DOM + * + * @param name Name of text <code>Style</code>. Can be null. + * @param family Family of text <code>Style</code> (usually + * <i>text</i>). Can be null. + * @param parent Name of parent text <code>Style</code>, or null + * for none. + * @param colWidth the width of this column + * @param sc The <code>StyleCatalog</code>, which is used for + * looking up ancestor <code>Style</code> objects. + */ + public ColumnStyle(String name, String family, String parent, int colWidth, StyleCatalog sc) { + super(name, family, parent, sc); + this.colWidth = colWidth; + } + + /** + * Returns the width of this column + * + * @return The width of this column. + */ + public int getColWidth() { + return colWidth; + } + + /** + * Sets the width of this column + * + * @param colWidth The width of this column. + */ + public void setColWidth(int colWidth) { + + this.colWidth = colWidth; + } + + /** + * Parse a colwidth in the form "1.234cm" to twips + * + * @param value <code>String</code> specification to parse. + * + * @return The twips equivalent. + */ + private int parseColWidth(String value) { + + int width = 255; // Default value + + if(value.indexOf("cm")!=-1) { + float widthCM = Float.parseFloat(value.substring(0,value.indexOf("c"))); + width = TwipsConverter.cm2twips(widthCM); + } else if(value.indexOf("inch")!=-1) { + float widthInch = Float.parseFloat(value.substring(0,value.indexOf("i"))); + width = TwipsConverter.inches2twips(widthInch); + } + + return (width); + } + + /** + * Set an attribute. + * + * @param attr The attribute to set. + * @param value The attribute value to set. + */ + private void handleAttribute(String attr, String value) { + + if (attr.equals("style:column-width")) { + colWidth = parseColWidth(value); + } + else { + Debug.log(Debug.INFO, "ColumnStyle Unhandled: " + attr + "=" + value); + } + } + + /** + * Return a <code>Style</code> object corresponding to this one, + * but with all of the inherited information from parent + * <code>Style</code> objects filled in. The object returned will + * be a new object, not a reference to this object, even if it does + * not need any information added. + * + * @return The <code>Style</code> in which to look up + * ancestors. + */ + public Style getResolved() { + // Create a new object to return, which is a clone of this one. + ColumnStyle resolved = null; + try { + resolved = (ColumnStyle)this.clone(); + } catch (Exception e) { + Debug.log(Debug.ERROR, "Can't clone", e); + } + + // Look up the parentStyle. (If there is no style catalog + // specified, we can't do any lookups.) + ColumnStyle parentStyle = null; + if (sc != null) { + if (parent != null) { + parentStyle = (ColumnStyle)sc.lookup(parent, family, null, + this.getClass()); + if (parentStyle == null) + Debug.log(Debug.ERROR, "parent style lookup of " + + parent + " failed!"); + else + parentStyle = (ColumnStyle)parentStyle.getResolved(); + + } else if (!name.equals("DEFAULT_STYLE")) { + parentStyle = (ColumnStyle)sc.lookup("DEFAULT_STYLE", null, + null, this.getClass()); + } + } + + // If we found a parent, for any attributes which we don't have + // set, try to get the values from the parent. + if (parentStyle != null) { + parentStyle = (ColumnStyle)parentStyle.getResolved(); + + if ((colWidth == 0) && (parentStyle.getColWidth() != 0)) + resolved.setColWidth(parentStyle.getColWidth()); + } + return resolved; + } + + /** + * Create a new <code>Node</code> in the <code>Document</code>, and + * write this <code>Style</code> to it. + * + * @param parentDoc Parent <code>Document</code> of the + * <code>Node</code> to create. + * @param name Name to use for the new <code>Node</code> (e.g. + * <i>style:style</i>) + * + * @return Created <code>Node</code>. + */ + public Node createNode(org.w3c.dom.Document parentDoc, String name) { + Element node = parentDoc.createElement(name); + writeAttributes(node); + return node; + } + + /** + * Return true if <code>style</code> specifies as much or less + * than this <code>Style</code>, and nothing it specifies + * contradicts this <code>Style</code>. + * + * @param style The <code>Style</code> to check. + * + * @return true if <code>style</code> is a subset, false + * otherwise. + */ + public boolean isSubset(Style style) { + if (style.getClass() != this.getClass()) + return false; + ColumnStyle tStyle = (ColumnStyle)style; + + if(colWidth!=tStyle.getColWidth()) + return false; + + return true; + } + + /** + * Write this <code>Style</code> object's attributes to a + * <code>Node</code> in the <code>Document</code>. + * + * @param node The <code>Node</code> to add <code>Style</code> + * attributes. + */ + public void writeAttributes(Element node) { + + if(colWidth!=0) { + String width = TwipsConverter.twips2cm(colWidth) + "cm"; + node.setAttribute("style:column-width", width); + } + } + + private static String[] ignored = { + "fo:break-before", "fo:keep-with-next" + }; + + /* + * This code checks whether an attribute is one that we + * intentionally ignore. + * + * @param attribute The attribute to check. + * + * @return true if <code>attribute</code> can be ignored, + * otherwise false. + */ + private boolean isIgnored(String attribute) { + for (int i = 0; i < ignored.length; i++) { + if (ignored[i].equals(attribute)) + return true; + } + return false; + } +} |