358 lines
11 KiB
Java
358 lines
11 KiB
Java
/*
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*
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* Copyright (C) 2003 Kent Hansen.
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*
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* This file is part of Tile Mangler.
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*
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* Tile Mangler is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Tile Mangler is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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package tm;
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import tm.colorcodecs.*;
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import tm.tilecodecs.*;
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import tm.treenodes.*;
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import tm.utils.*;
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import tm.ui.TMUI;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.NodeList;
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import org.w3c.dom.Node;
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import java.io.File;
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import java.io.IOException;
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import javax.xml.parsers.ParserConfigurationException;
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import org.xml.sax.SAXException;
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/**
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*
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* Holds resources for a file image.
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* Resources include bookmarks and palettes.
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*
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**/
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public class TMFileResources {
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private FolderNode bookmarkRoot;
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private FolderNode paletteRoot;
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private FileImage fileImage;
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private TMUI ui;
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/**
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*
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* Create initial resources for the specified fileimage.
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*
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**/
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public TMFileResources(FileImage fileImage, TMUI ui) {
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this.bookmarkRoot = new FolderNode(ui.xlate("Bookmarks"));
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this.paletteRoot = new FolderNode(ui.xlate("Palettes"));
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fileImage.setResources(this);
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}
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/**
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*
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* Loads resources for a fileimage from an XML document.
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*
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* Resources are in an XML tree structure like so:
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* +resources
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* +resourcetype1
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* +resource1
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* +resource2
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* +resourcetype2
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* ....
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* +resourcetype3
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*
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**/
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public TMFileResources(File file, FileImage fileImage, TMUI ui)
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throws SAXException, ParserConfigurationException, IOException {
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Document doc = null;
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try {
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doc = XMLParser.parse(file);
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} catch (SAXException e) {
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throw e;
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}
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catch (ParserConfigurationException e) {
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throw e;
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}
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catch (IOException e) {
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throw e;
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}
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if (doc == null) return;
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this.fileImage = fileImage;
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this.ui = ui;
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Element root = doc.getDocumentElement();
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bookmarkRoot = parseBookmarks(root);
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paletteRoot = parsePalettes(root);
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fileImage.setResources(this);
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}
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/**
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*
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* Parses the bookmarks into a tree of TMTreeNodes.
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* Bookmarks are in an XML tree structure like so:
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* +folder1
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* +bookmark1
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* +bookmark2
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* +folder2
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* +folder3
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* +bookmark1
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* ...
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*
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**/
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public FolderNode parseBookmarks(Element root) {
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Element e = getChildTag(root, "bookmarks", 0);
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FolderNode bookmarkRoot = new FolderNode(ui.xlate("Bookmarks"));
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if (e != null) {
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// parse bookmarks into tree
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NodeList children = e.getChildNodes();
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for (int i=0; i<children.getLength(); i++) {
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if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
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addToBookmarksTree((Element)children.item(i), bookmarkRoot);
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}
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}
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}
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return bookmarkRoot;
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}
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/**
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*
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* Recursively adds folders and bookmarks to tree.
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*
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**/
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public void addToBookmarksTree(Element e, FolderNode folder) {
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if (e.getTagName().equals("folder")) {
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// subfolder
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String name = XMLParser.getNodeValue(getChildTag(e, "name", 0));
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FolderNode subFolder = new FolderNode(name);
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folder.add(subFolder);
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NodeList children = e.getChildNodes();
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for (int i=0; i<children.getLength(); i++) {
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if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
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addToBookmarksTree((Element)children.item(i), subFolder);
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}
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}
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}
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else if (e.getTagName().equals("bookmark")) {
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// read a bookmark
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int offset = Integer.parseInt(e.getAttribute("offset"));
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int cols = Integer.parseInt(e.getAttribute("columns"));
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int rows = Integer.parseInt(e.getAttribute("rows"));
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int blockWidth = Integer.parseInt(e.getAttribute("blockwidth"));
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int blockHeight = Integer.parseInt(e.getAttribute("blockheight"));
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boolean rowInterleaved = e.getAttribute("rowinterleaved").equals("true");
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boolean sizeBlockToCanvas = e.getAttribute("sizeblocktocanvas").equals("true");
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int mode = TileCodec.MODE_1D;
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if (e.getAttribute("mode").equals("2D")) {
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mode = TileCodec.MODE_2D;
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}
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int palIndex = Integer.parseInt(e.getAttribute("palIndex"));
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// String palID = e.getAttribute("palette");
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String codecID = e.getAttribute("codec");
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TileCodec codec = ui.getTileCodecByID(codecID);
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String desc = XMLParser.getNodeValue(getChildTag(e, "description", 0));
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BookmarkItemNode bookmark =
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new BookmarkItemNode(
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offset,
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cols,
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rows,
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blockWidth,
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blockHeight,
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rowInterleaved,
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sizeBlockToCanvas,
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mode,
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palIndex,
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codec,
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desc
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);
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folder.add(bookmark);
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}
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}
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/**
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*
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* Parses the palettes into a tree of TMTreeNodes.
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* Highly analoguous to bookmark parsing.
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*
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**/
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public FolderNode parsePalettes(Element root) {
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Element e = getChildTag(root, "palettes", 0);
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FolderNode paletteRoot = new FolderNode(ui.xlate("Palettes"));
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if (e != null) {
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// parse palettes into tree
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NodeList children = e.getChildNodes();
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for (int i=0; i<children.getLength(); i++) {
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if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
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addToPalettesTree((Element)children.item(i), paletteRoot);
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}
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}
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}
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return paletteRoot;
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}
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/**
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*
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* Recursively processes and adds folders and palettes to tree.
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*
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**/
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public void addToPalettesTree(Element e, FolderNode folder) {
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if (e.getTagName().equals("folder")) {
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// subfolder
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String name = XMLParser.getNodeValue(getChildTag(e, "name", 0));
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FolderNode subFolder = new FolderNode(name);
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folder.add(subFolder);
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NodeList children = e.getChildNodes();
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for (int i=0; i<children.getLength(); i++) {
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if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
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addToPalettesTree((Element)children.item(i), subFolder);
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}
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}
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}
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else if (e.getTagName().equals("palette")) {
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// read palette
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String id = e.getAttribute("id");
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boolean direct = e.getAttribute("direct").equals("yes");
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String codecID = e.getAttribute("codec");
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ColorCodec codec = ui.getColorCodecByID(codecID);
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int size = Integer.parseInt(e.getAttribute("size"));
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int offset = 0;
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int endianness = ColorCodec.LITTLE_ENDIAN;
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if (e.getAttribute("endianness").equals("big")) {
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endianness = ColorCodec.BIG_ENDIAN;
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}
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byte[] data;
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if (direct) {
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// data is in XML, parse it
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String hexString = XMLParser.getNodeValue(getChildTag(e, "data", 0));
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// alt: hexString = ((CDATASection)palette.getFirstChild()).getData());
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data = HexStringConverter.hexStringToBytes(hexString);
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}
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else {
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// data is in file
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offset = Integer.parseInt(e.getAttribute("offset"));
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data = fileImage.getContents();
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}
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String desc = XMLParser.getNodeValue(getChildTag(e, "description", 0));
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TMPalette pal = new TMPalette(id, data, offset, size, codec, endianness, direct, false);
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PaletteItemNode palette =
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new PaletteItemNode(
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pal,
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desc
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);
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folder.add(palette);
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}
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}
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/**
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*
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* Gets the root of the tree of bookmarks & bookmark folders.
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*
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**/
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public FolderNode getBookmarksRoot() {
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return bookmarkRoot;
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}
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/**
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*
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* Gets the root of the tree of palettes & palette folders.
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*
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**/
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public FolderNode getPalettesRoot() {
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return paletteRoot;
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}
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/**
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*
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* Returns XML representation of resources.
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*
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**/
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public String toXML() {
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StringBuffer sb = new StringBuffer();
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sb.append("<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n");
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sb.append("<!DOCTYPE tmres SYSTEM \"tmres.dtd\">\n");
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sb.append("<tmres>\n");
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sb.append(bookmarksToXML());
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sb.append(palettesToXML());
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sb.append("</tmres>\n");
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return sb.toString();
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}
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/**
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*
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* Return XML representation of bookmarks.
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*
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**/
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public String bookmarksToXML() {
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StringBuffer sb = new StringBuffer();
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sb.append(" <bookmarks>\n");
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TMTreeNode[] children = bookmarkRoot.getChildren();
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for (int i=0; i<children.length; i++) {
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sb.append(children[i].toXML());
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}
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sb.append(" </bookmarks>\n");
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return sb.toString();
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}
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/**
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*
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* Returns XML representation of palettes.
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*
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**/
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public String palettesToXML() {
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StringBuffer sb = new StringBuffer();
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sb.append(" <palettes>\n");
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TMTreeNode[] children = paletteRoot.getChildren();
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for (int i=0; i<children.length; i++) {
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sb.append(children[i].toXML());
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}
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sb.append(" </palettes>\n");
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return sb.toString();
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}
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/**
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*
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* Gets the default resource filename for the given file.
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* Currently, this is [filename-extension+".xml"]
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*
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**/
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public static File getResourceFileFor(File file) {
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// determine name of XML resource file based on filename
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String name = file.getName();
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int i = name.lastIndexOf('.');
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if (i != -1) {
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name = name.substring(0, i);
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}
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name += ".xml";
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return new File("./resources/"+name);
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}
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private Element getChildTag(Element e, String Tag, int i) {
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return (Element)e.getElementsByTagName(Tag).item(i);
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}
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} |