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10 package org.openlaszlo.compiler;
11
12 import java.io.*;
13 import java.util.*;
14
15 import org.apache.log4j.*;
16 import org.jdom.Element;
17
18
21 class SplashCompiler extends ElementCompiler {
22
23 private static Logger mLogger = org.apache.log4j.Logger.getLogger(SplashCompiler.class);
24 private ViewSchema mSchema;
25 private static final String  VIEW_INSTANTIATION_FNAME = "_root.lzpreloader.create";
26
27 SplashCompiler(CompilationEnvironment env) {
28 super(env);
29 mSchema = env.getSchema();
30 }
31
32
36 static boolean isElement(Element element) {
37 return element.getName().equals("splash")
38 || element.getName().equals("preloader");
39 }
40
41 public void compile(Element element) throws CompilationError {
42 ViewCompiler viewCompiler = new ViewCompiler(mEnv);
43 ResourceCompiler res = new ResourceCompiler(mEnv);
44 StringBuffer script = new StringBuffer ();
45
46 boolean persistent = "true".equals(element.getAttributeValue("persistent"));
47 element.removeAttribute("persistent");
48 String hideafterinit = new Boolean (!persistent).toString();
49 element.setAttribute("hideafterinit", hideafterinit);
50
51 if (element.getChild("view", element.getNamespace()) == null) {
52 ElementWithLocationInfo child = new ElementWithLocationInfo("view", element.getNamespace());
54 child.initSourceLocator(((ElementWithLocationInfo)element).getSourceLocator() );
55 child.setAttribute("hideafterinit", hideafterinit);
56 child.setAttribute("resource", "defaultpreloader.swf");
57 child.setAttribute("center", "true");
58 child.setAttribute("ratio", "100%");
59 child.setAttribute("name", "lzprelresource");
60 child.setAttribute("resourcename", "lzprelresource");
61 element.addContent(child);
62 }
63
64 SWFWriter sw = mEnv.getGenerator();
65 sw.addPreloader(mEnv);
66
67 for (Iterator iter = element.getChildren("view", element.getNamespace()).iterator();
68 iter.hasNext(); ) {
69 Element child = (Element) iter.next();
70 child.setName("preloadresource");
74 if (child.getAttribute("ratio") != null) {
75 String str = child.getAttributeValue("ratio").trim();
76 double value = 100;
77 if (str.endsWith("%")) {
78 str = str.substring(0, str.length() - 1);
79 value = 1;
80 }
81 try {
82 value *= new Float (str).floatValue();
83 } catch (NumberFormatException e) {
84 throw new CompilationError(child, e);
85 }
86 child.setAttribute("synctoload", "true");
87 child.setAttribute("lastframe", "" + value);
88 child.setAttribute("lastframe", "100");
89 child.removeAttribute("ratio");
90 }
91 if (child.getAttribute("resource") != null) {
92 File file = mEnv.resolveReference(child, "resource");
93 String rname = child.getAttributeValue("resourcename");
94 if (rname == null) {
95 rname = child.getAttributeValue("name");
96 if (rname == null) {
97 rname = sw.createName();
98 }
99 child.setAttribute("name", rname);
100 }
101 try {
102 sw.importPreloadResource(file.toString(), rname);
103 } catch (SWFWriter.ImportResourceError e) {
104 mEnv.warn(e, element);
105 }
106 child.setAttribute("resourcename", rname);
107 child.removeAttribute("resource");
108 }
109 if (child.getAttribute("synchronized") != null) {
110 child.setAttribute("synctoload", child.getAttributeValue("synchronized"));
111 child.removeAttribute("synchronized");
112 }
113 }
114 NodeModel model = NodeModel.elementAsModel(element, mSchema, mEnv);
115 script.append(VIEW_INSTANTIATION_FNAME + "(" +
116 model.asJavascript() +
117 ");" );
118
119 String scriptstr = script.toString();
120 if (scriptstr != "") {
121 try {
122 sw.addPreloaderScript(scriptstr);
123 } catch (org.openlaszlo.sc.CompilerException e) {
124 throw new CompilationError(element, e);
125 }
126 mLogger.debug("Adding preloader script: " + script);
127 }
128 }
129
130 private String [] getBlogList() {
131 return new String [] {
132 "http://wetmachine.com/",
133 "http://osteele.com/",
134 "http://www.davidtemkin.com/",
135 "http://www.ultrasaurus.com/",
136 "http://pt.withy.org/ptalk/"
137 };
138 }
139 }
140 |
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