package com.craigc.progen;
import org.w3c.dom.*;
public class PlayData1 extends HandlerBase {
public String name;
public String title;
public int width;
public int height;
public SceneData startScene;
public PropData[] props;
public SceneData[] scenes;
public class PropData {
public String name;
public String label; // initial value
public ScriptData script; // only action script in Phase I
}
public class SceneData {
public String name;
public String color;
public PropData[] addprops;
}
public class ScriptData {
public SceneData nextScene;
public TraitData[] traits;
}
public class TraitData {
public PropData prop;
public String newValue;
}
public PropData findProp(String n) {
for (int j=0; j<props.length; ++j) {
if (props[j].name.equals(n)) {
return props[j];
}
}
return null;
}
public SceneData findScene(String n) {
for (int j=0; j<scenes.length; ++j) {
if (scenes[j].name.equals(n)) {
return scenes[j];
}
}
return null;
}
public PlayData1(Document d) {
convertDocument(d);
}
public PlayData1(String filename) throws Exception {
convertDocument(DOM_Util.readDocument(filename));
}
/** Convert XML data using DOM to PlayData1 */
public void convertDocument(Document d) {
Element playNode = (Element) d.getDocumentElement();
title = DOM_Util.get(playNode, "title", "Play Example");
width = DOM_Util.getIntAttr(playNode, "width", 500);
height = DOM_Util.getIntAttr(playNode, "height", 250);
name = DOM_Util.getAttr(playNode, "name", "Unknown");
// First must create data structures for all props & scenes
// before doing scripts or traits
// Create SceneData
NodeList e = playNode.getElementsByTagName("scene");
scenes = new SceneData[e.getLength()];
// first create all scenes
for (int j=0; j<e.getLength(); ++j) {
Node bnode = e.item(j);
SceneData n = new SceneData();
n.name = DOM_Util.getAttr(bnode, "name", "?");
n.color = DOM_Util.getAttr(bnode, "color", "?");
scenes[j] = n;
}
// Create PropData
e = playNode.getElementsByTagName("prop");
props = new PropData[e.getLength()];
for (int j=0; j<e.getLength(); ++j) {
Node bnode = e.item(j);
PropData n = new PropData();
n.name = DOM_Util.getAttr(bnode, "name", "?");
n.label = getLabel(bnode);
props[j] = n;
}
for (int j=0; j<e.getLength(); ++j) {
props[j].script = getScript(e.item(j), props[j].name);
}
// next do addprops & scripts with goto next scene
e = playNode.getElementsByTagName("scene");
for (int j=0; j<e.getLength(); ++j) {
Element bnode = (Element) e.item(j);
// Create AddPropData
NodeList e2 = bnode.getElementsByTagName("addprop");
scenes[j].addprops = new AddPropData[e2.getLength()];
for (int j2=0; j2<e2.getLength(); ++j2) {
Node anode = e2.item(j2);
String pname = DOM_Util.getAttr(anode, "name", "?");
scenes[j].addprops[j2] = findProp(pname);
}
}
startScene = findScene(DOM_Util.getAttr(playNode,
"start", "?"));
}
/** Gets label value of trait if any */
String getLabel(Node n) {
// ==> wrong way
return DOM_Util.get(n, "trait", null);
// return "?";
}
ScriptData getScript(Node n, String dname) {
NodeList e = ((Element)n).getElementsByTagName("script");
// only include the Action script
for (int j=0; j<e.getLength(); ++j) {
Element snode = (Element) e.item(j);
// assume first and only script is Action script
ScriptData sd = new ScriptData();
sd.nextScene = findScene(DOM_Util.getAttr(snode,
"goto", ""));
NodeList e2 = snode.getElementsByTagName("trait");
sd.traits = new TraitData[e2.getLength()];
for (int j2=0; j2<e2.getLength(); ++j2) {
Node tnode = e2.item(j2);
sd.traits[j2] = new TraitData();
sd.traits[j2].prop = findProp(
DOM_Util.getAttr(tnode, "prop", dname));
sd.traits[j2].newValue = DOM_Util.getContent(tnode);
}
return sd;
}
return null;
}
}
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