package net.sourceforge.ganttproject.parser;
import java.awt.Color;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.Stack;
import net.sourceforge.ganttproject.GPLogger;
import net.sourceforge.ganttproject.GanttCalendar;
import net.sourceforge.ganttproject.GanttTask;
import net.sourceforge.ganttproject.shape.ShapePaint;
import net.sourceforge.ganttproject.task.Task;
import net.sourceforge.ganttproject.task.TaskContainmentHierarchyFacade;
import net.sourceforge.ganttproject.task.TaskManager;
import org.xml.sax.Attributes;
public class TaskTagHandler implements TagHandler {
public TaskTagHandler(TaskManager mgr, ParsingContext context) {
myManager = mgr;
myContext = context;
}
public void startElement(String namespaceURI, String sName, String qName,
Attributes attrs) {
if (qName.equals("task")) {
loadTask(attrs);
}
}
/** Method when finish to parse an attibute */
public void endElement(String namespaceURI, String sName, String qName) {
if (qName.equals("task")) {
myStack.pop();
}
}
private void loadTask(Attributes attrs) {
String taskIdAsString = attrs.getValue("id");
GanttTask task = null;
if (taskIdAsString == null) {
task = getManager().createTask();
} else {
int taskId;
try {
taskId = Integer.parseInt(taskIdAsString);
} catch (NumberFormatException e) {
throw new RuntimeException("Failed to parse the value '"
+ taskIdAsString + "' of attribute 'id' of tag <task>",
e);
}
task = getManager().createTask(taskId);
}
//
String taskName = attrs.getValue("name");
if (taskName != null) {
task.setName(taskName);
}
String meeting = attrs.getValue("meeting");
if (meeting != null) {
task.setMilestone(meeting.equals("true"));
}
String project = attrs.getValue("project");
if (project != null)
task.setProjectTask(true);
String start = attrs.getValue("start");
if (start != null) {
task.setStart(GanttCalendar.parseXMLDate(start));
}
String duration = attrs.getValue("duration");
if (duration != null) {
try {
int length = Integer.parseInt(duration);
if (length == 0) {
length = 1;
}
task.setLength(length);
} catch (NumberFormatException e) {
throw new RuntimeException("Failed to parse the value '"
+ duration + "' of attribute 'duration' of tag <task>",
e);
}
}
String complete = attrs.getValue("complete");
if (complete != null) {
try {
task.setCompletionPercentage(Integer.parseInt(complete));
} catch (NumberFormatException e) {
throw new RuntimeException("Failed to parse the value '"
+ complete + "' of attribute 'complete' of tag <task>",
e);
}
}
String priority = attrs.getValue("priority");
if (priority != null) {
try {
task.setPriority(Integer.parseInt(priority));
} catch (NumberFormatException e) {
throw new RuntimeException("Failed to parse the value '"
+ priority + "' of attribute 'priority' of tag <task>",
e);
}
}
String color = attrs.getValue("color");
if (color != null) {
task.setColor(ColorValueParser.parseString(color));
}
String fixedStart = attrs.getValue("fixed-start");
if ("true".equals(fixedStart)) {
myContext.addTaskWithLegacyFixedStart(task);
}
// String fixedFinish = attrs.getValue("fixed-finish");
// if ("true".equals(fixedFinish)) {
// task.setFinishFixed(true);
// }
String third = attrs.getValue("thirdDate");
if (third != null) {
task.setThirdDate(GanttCalendar.parseXMLDate(third));
}
String thirdConstraint = attrs.getValue("thirdDate-constraint");
if (thirdConstraint != null) {
try {
task.setThirdDateConstraint(Integer.parseInt(thirdConstraint));
} catch (NumberFormatException e) {
throw new RuntimeException(
"Failed to parse the value '"
+ thirdConstraint
+ "' of attribute 'thirdDate-constraint' of tag <task>",
e);
}
}
String webLink_enc = attrs.getValue("webLink");
String webLink = webLink_enc;
if (webLink_enc != null)
try {
webLink = URLDecoder.decode(webLink_enc, "ISO-8859-1");
} catch (UnsupportedEncodingException e) {
if (!GPLogger.log(e)) {
e.printStackTrace(System.err);
}
}
if (webLink != null) {
task.setWebLink(webLink);
}
String expand = attrs.getValue("expand");
if (expand != null) {
task.setExpand("true".equals(expand));
}
String shape = attrs.getValue("shape");
if (shape != null) {
java.util.StringTokenizer st1 = new java.util.StringTokenizer(
shape, ",");
int[] array = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
String token = "";
int count = 0;
while (st1.hasMoreTokens()) {
token = st1.nextToken();
array[count] = (new Integer(token)).intValue();
count++;
}
task.setShape(new ShapePaint(4, 4, array, Color.white, task
.getColor()));
}
getManager().registerTask(task);
TaskContainmentHierarchyFacade taskHierarchy = getManager()
.getTaskHierarchy();
myContext.setTaskID(task.getTaskID());
Task lastTask = myStack.isEmpty() ? taskHierarchy.getRootTask()
: (Task) myStack.peek();
taskHierarchy.move(task, lastTask);
myStack.push(task);
}
private TaskManager getManager() {
return myManager;
}
private final ParsingContext myContext;
private final TaskManager myManager;
private final Stack myStack = new Stack();
}