Initial version of basic project task management application.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@897 6335cc39-0255-0410-8fd6-9bcaacd3b74c

runtime/twodue/.cvsignore

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+twodue.war

runtime/twodue/build.xml

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+<!-- build configuration for 'Two Due' project -->
+<project name="Two Due" default="compile" basedir=".">
+
+  <!-- import properties -->
+  <property file="build.properties"/>
+
+  <!-- configuration parameters -->
+  <property name="app.name"       value="twodue"/>
+  <property name="web.home"       value="/export/wayward/pages"/>
+  <property name="deploy.dir"     value="${web.home}/${app.name}"/>
+  <property name="dist.war"       value="${app.name}.war"/>
+  <property name="build.compiler" value="jikes"/>
+
+  <!-- we want to access the environment -->
+  <property environment="env"/>
+  <property name="java.libraries" value="${env.JAVA_LIBS}"/>
+
+  <!-- prepares the application directories -->
+  <target name="prepare">
+    <mkdir dir="${deploy.dir}"/>
+    <copy todir="${deploy.dir}">
+      <fileset dir="web"/>
+    </copy>
+    <mkdir dir="${deploy.dir}/WEB-INF"/>
+    <copy file="etc/web.xml" tofile="${deploy.dir}/WEB-INF/web.xml"/>
+    <copy todir="${deploy.dir}/WEB-INF/classes">
+      <fileset dir="etc" includes="**/*.properties"/>
+    </copy>
+    <mkdir dir="${deploy.dir}/WEB-INF/classes"/>
+    <mkdir dir="${deploy.dir}/WEB-INF/lib"/>
+    <copy todir="${deploy.dir}/WEB-INF/lib">
+      <fileset dir="lib"/>
+    </copy>
+  </target>
+
+  <!-- cleans out the installed application -->
+  <target name="clean">
+    <delete dir="${deploy.dir}"/>
+  </target>
+
+  <!-- build the java class files -->
+  <target name="compile" depends="prepare">
+    <javac srcdir="src" destdir="${deploy.dir}/WEB-INF/classes"
+           debug="on" optimize="off" deprecation="on">
+      <classpath>
+        <pathelement location="${deploy.dir}/WEB-INF/classes"/>
+        <fileset dir="${java.libraries}" includes="**/*.jar"/>
+        <fileset dir="lib" includes="**/*.jar"/>
+      </classpath>
+    </javac>
+    <copy todir="${deploy.dir}/WEB-INF/classes">
+      <fileset dir="src" includes="**/*.properties"/>
+    </copy>
+  </target>
+
+  <!-- the default target is to rebuild everything -->
+  <target name="all" depends="clean,prepare,compile"/>
+
+  <!-- builds our distribution files (war and jar) -->
+  <target name="dist" depends="prepare,compile">
+    <jar file="${dist.war}" basedir="${deploy.dir}"/>
+  </target>
+</project>

runtime/twodue/etc/.cvsignore

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+repository.properties

runtime/twodue/etc/exceptionmap.properties

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+#
+# $Id: exceptionmap.properties,v 1.1 2002/11/08 09:14:20 mdb Exp $
+#
+# Maps exceptions to friendly error messages
+
+java.sql.SQLException: A database error has occurred: {m}

runtime/twodue/etc/messages.properties

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+# -*- mode: makefile -*-
+#
+# $Id: messages.properties,v 1.1 2002/11/08 09:14:20 mdb Exp $
+#
+# Translation messages for Two Due application
+
+#
+# common translations
+
+app_name=Two Due
+
+#
+# header.wm
+
+header.combined_title={0}: {1}
+header.title={0}
+
+#
+# app_footer.wm
+
+app_footer.summary_link=Task Summary
+app_footer.account_link=Login/out
+
+#
+# index.wm
+
+index.title=Task Summary
+
+index.message.task_created = Task created.
+index.message.task_claimed = Task claimed.
+index.message.task_completed = Task marked as completed.
+
+index.error.missing_summary = No summary provided for new task.
+index.error.missing_category = No category provided for new task.
+index.error.missing_complexity = No complexity selection for new task.
+index.error.invalid_priority = No priority selection for new task.
+index.error.missing_taskid = Internal error. No task id provided.

runtime/twodue/etc/velocity.properties

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+#
+# $Id: velocity.properties,v 1.1 2002/11/08 09:14:20 mdb Exp $
+#
+# Velocity engine configuration overrides
+
+#----------------------------------------------------------------------------
+# F O R E A C H  P R O P E R T I E S
+#----------------------------------------------------------------------------
+# These properties control how the counter is accessed in the #foreach
+# directive. By default the reference $velocityCount will be available
+# in the body of the #foreach directive. The default starting value
+# for this reference is 1.
+#----------------------------------------------------------------------------
+
+directive.foreach.counter.name = vidx
+directive.foreach.counter.initial.value = 0
+
+# temporarily make life easier
+file.resource.loader.path = /home/mdb/projects/twodue/web

runtime/twodue/etc/web.xml

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+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<!DOCTYPE web-app
+  PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
+  "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
+
+<web-app>
+  <servlet>
+    <servlet-name>dispatcher</servlet-name>
+    <servlet-class>com.samskivert.velocity.DispatcherServlet</servlet-class>
+    <init-param>
+      <param-name>org.apache.velocity.properties</param-name>
+      <param-value>/velocity.properties</param-value>
+    </init-param>
+    <init-param>
+      <param-name>app_class</param-name>
+      <param-value>com.samskivert.twodue.TwoDueApp</param-value>
+    </init-param>
+    <init-param>
+      <param-name>logic_package</param-name>
+      <param-value>com.samskivert.twodue.logic</param-value>
+    </init-param>
+    <init-param>
+      <param-name>messages_path</param-name>
+      <param-value>messages</param-value>
+    </init-param>
+<!--
+    <init-param>
+      <param-name>site_jar_path</param-name>
+      <param-value>/usr/share/java/webapps/site-data</param-value>
+    </init-param>
+    <init-param>
+      <param-name>site_messages_path</param-name>
+      <param-value>site_messages</param-value>
+    </init-param>
+-->
+  </servlet>
+
+  <servlet-mapping>
+    <servlet-name>dispatcher</servlet-name>
+    <url-pattern>*.wm</url-pattern>
+  </servlet-mapping>
+
+  <welcome-file-list>
+    <welcome-file>index.wm</welcome-file>
+  </welcome-file-list>
+</web-app>

runtime/twodue/lib/.cvsignore

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+*.jar

runtime/twodue/lib/REQUIRED_LIBS

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+commons-collections.jar
+commons-lang.jar
+jakarta-regexp-1.2.jar
+mm.mysql-2.0.14-bin.jar
+samskivert.jar
+velocity-1.4-dev.jar

runtime/twodue/src/java/com/samskivert/twodue/Log.java

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+//
+// $Id: Log.java,v 1.1 2002/11/08 09:14:21 mdb Exp $
+
+package com.samskivert.twodue;
+
+/**
+ * A placeholder class that contains a reference to the log object used by
+ * this package.
+ */
+public class Log
+{
+    /**
+     * This is the log instance that will be used to log all messages for
+     * this package.
+     */
+    public static com.samskivert.util.Log log =
+	new com.samskivert.util.Log("twodue");
+
+    /** Convenience function. */
+    public static void debug (String message)
+    {
+	log.debug(message);
+    }
+
+    /** Convenience function. */
+    public static void info (String message)
+    {
+	log.info(message);
+    }
+
+    /** Convenience function. */
+    public static void warning (String message)
+    {
+	log.warning(message);
+    }
+
+    /** Convenience function. */
+    public static void logStackTrace (Throwable t)
+    {
+	log.logStackTrace(com.samskivert.util.Log.WARNING, t);
+    }
+}

runtime/twodue/src/java/com/samskivert/twodue/TwoDueApp.java

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+//
+// $Id: TwoDueApp.java,v 1.1 2002/11/08 09:14:21 mdb Exp $
+
+package com.samskivert.twodue;
+
+import java.util.Properties;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletContext;
+
+import com.samskivert.io.PersistenceException;
+import com.samskivert.jdbc.ConnectionProvider;
+import com.samskivert.jdbc.StaticConnectionProvider;
+
+import com.samskivert.servlet.JDBCTableSiteIdentifier;
+import com.samskivert.servlet.SiteIdentifier;
+import com.samskivert.servlet.user.UserManager;
+import com.samskivert.util.ServiceUnavailableException;
+import com.samskivert.velocity.Application;
+
+import com.samskivert.twodue.data.TaskRepository;
+
+/**
+ * Contains references to application-wide resources (like the database
+ * repository) and handles initialization and cleanup for those resources.
+ */
+public class TwoDueApp extends Application
+{
+    /** Returns the connection provider in use by this application. */
+    public final ConnectionProvider getConnectionProvider ()
+    {
+        return _conprov;
+    }
+
+    /** Returns the task repository in use by the application. */
+    public TaskRepository getRepository ()
+    {
+        return _taskrep;
+    }
+
+    /** Returns the user manager in use by the application. */
+    public UserManager getUserManager ()
+    {
+        return _usermgr;
+    }
+
+    protected void willInit (ServletConfig config)
+    {
+        super.willInit(config);
+
+	try {
+            // create a static connection provider
+            _conprov = new StaticConnectionProvider(CONN_CONFIG);
+
+	    // initialize the user manager
+	    Properties props = new Properties();
+	    props.put("login_url", "/register/login.wm?from=%R");
+	    _usermgr = new UserManager(props, _conprov);
+
+	    // initialize the task repository
+	    _taskrep = new TaskRepository(_conprov);
+
+	    Log.info("TwoDue application initialized.");
+
+	} catch (Throwable t) {
+	    Log.warning("Error initializing application: " + t);
+	}
+    }
+
+    public void shutdown ()
+    {
+	try {
+	    _usermgr.shutdown();
+	    Log.info("TwoDue application shutdown.");
+
+	} catch (Throwable t) {
+	    Log.warning("Error shutting down repository: " + t);
+	}
+    }
+
+    /** We want a special site identifier. */
+    protected SiteIdentifier createSiteIdentifier (ServletContext ctx)
+    {
+        try {
+            return new JDBCTableSiteIdentifier(_conprov);
+        } catch (PersistenceException pe) {
+            throw new ServiceUnavailableException(
+                "Can't access site database.", pe);
+        }
+    }
+
+    /** A reference to our connection provider. */
+    protected ConnectionProvider _conprov;
+
+    /** A reference to our user manager. */
+    protected UserManager _usermgr;
+
+    /** A reference to our task repository. */
+    protected TaskRepository _taskrep;
+
+    /** The path to our database configuration file. */
+    protected static final String CONN_CONFIG = "repository.properties";
+}

runtime/twodue/src/java/com/samskivert/twodue/data/Task.java

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+//
+// $Id: Task.java,v 1.1 2002/11/08 09:14:21 mdb Exp $
+
+package com.samskivert.twodue.data;
+
+import java.util.ArrayList;
+import java.sql.Date;
+
+/**
+ * Contains the basic data associated with a task.
+ */
+public class Task
+{
+    public int taskId;
+
+    public String summary;
+
+    public String category;
+
+    public String complexity;
+
+    public int priority;
+
+    public String creator;
+
+    public Date creation;
+
+    public String owner;
+
+    public String completor;
+
+    public Date completion;
+
+    public transient ArrayList notes;
+}

runtime/twodue/src/java/com/samskivert/twodue/data/TaskRepository.java

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+//
+// $Id: TaskRepository.java,v 1.1 2002/11/08 09:14:21 mdb Exp $
+
+package com.samskivert.twodue.data;
+
+import java.sql.Connection;
+import java.sql.Date;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.util.ArrayList;
+
+import com.samskivert.io.PersistenceException;
+import com.samskivert.jdbc.ConnectionProvider;
+import com.samskivert.jdbc.DatabaseLiaison;
+import com.samskivert.jdbc.JDBCUtil;
+import com.samskivert.jdbc.JORARepository;
+import com.samskivert.jdbc.jora.Cursor;
+import com.samskivert.jdbc.jora.Session;
+import com.samskivert.jdbc.jora.Table;
+
+/**
+ * Provides access to the task table.
+ */
+public class TaskRepository extends JORARepository
+{
+    /**
+     * The database identifier that the repository will use when fetching
+     * a connection from the connection provider. The value is
+     * <code>twodue</code> which you'll probably need to know to properly
+     * configure your connection provider.
+     */
+    public static final String REPOSITORY_DB_IDENT = "twodue";
+
+    /**
+     * Creates the repository and opens the task database. A connection
+     * provider should be supplied that will be used to obtain the
+     * necessary database connection. The database identifier used to
+     * obtain our connection is documented by {@link
+     * #REPOSITORY_DB_IDENT}.
+     *
+     * @param provider a connection provider via which the repository will
+     * get its database connection.
+     */
+    public TaskRepository (ConnectionProvider provider)
+	throws PersistenceException
+    {
+	super(provider, REPOSITORY_DB_IDENT);
+
+        // make sure we can get our database connection
+        Connection conn = provider.getConnection(REPOSITORY_DB_IDENT);
+        provider.releaseConnection(REPOSITORY_DB_IDENT, conn);
+    }
+
+    // documented inherited
+    protected void createTables (Session session)
+    {
+	// create our table objects
+	_ttable = new Table(Task.class.getName(),
+                            "TASKS", session, "TASK_ID", true);
+    }
+
+    /**
+     * Creates a task and inserts it into the repository.
+     *
+     * @return the newly created task.
+     */
+    public Task createTask (String summary, String category, String complexity,
+                            int priority, String creator)
+        throws PersistenceException
+    {
+        // create and configure a task instance
+        Task task = new Task();
+        task.summary = summary;
+        task.category = category;
+        task.complexity = complexity;
+        task.priority = priority;
+        task.creator = creator;
+        createTask(task);
+        return task;
+    }
+
+    /**
+     * Inserts the supplied (properly populated) new task into the task
+     * repository.
+     */
+    public void createTask (final Task task)
+        throws PersistenceException
+    {
+        task.creation = new Date(System.currentTimeMillis());
+	execute(new Operation() {
+            public Object invoke (Connection conn, DatabaseLiaison liaison)
+                throws PersistenceException, SQLException
+	    {
+                // insert the task into the entry table
+                _ttable.insert(task);
+                // update the taskId now that it's known
+                task.taskId = liaison.lastInsertedId(conn);
+                return null;
+            }
+        });
+    }
+
+    /**
+     * Loads up the specified task.
+     */
+    public Task loadTask (int taskId)
+        throws PersistenceException
+    {
+        return (Task)execute(new Operation () {
+            public Object invoke (Connection conn, DatabaseLiaison liaison)
+                throws PersistenceException, SQLException
+            {
+                String query = "where COMPLETOR IS NULL AND OWNER IS NULL " +
+                    "ORDER BY CATEGORY, PRIORITY";
+                Cursor tc = _ttable.select(query);
+                return tc.toArrayList();
+            }
+        });
+    }
+
+    /**
+     * Loads up and returns all unowned, uncompleted tasks, ordered by
+     * priority.
+     */
+    public ArrayList loadTasks ()
+        throws PersistenceException
+    {
+        return loadTasks("where COMPLETOR IS NULL AND OWNER IS NULL " +
+                         "ORDER BY PRIORITY DESC");
+    }
+
+    /**
+     * Loads up all owned tasks, ordered by priority.
+     */
+    public ArrayList loadOwnedTasks ()
+        throws PersistenceException
+    {
+        return loadTasks("where COMPLETOR IS NULL AND OWNER IS NOT NULL " +
+                         "ORDER BY PRIORITY DESC");
+    }
+
+    /**
+     * Loads up and returns all completed tasks, sorted by completion
+     * date.
+     *
+     * @param start the offset into the sorted list of completed tasks to
+     * start returning tasks.
+     * @param limit the limit to the number of tasks to be returned, or -1
+     * if all completed should be returned.
+     */
+    public ArrayList loadCompletedTasks (int start, int limit)
+        throws PersistenceException
+    {
+        String query = "where COMPLETOR IS NOT NULL " +
+            "ORDER BY COMPLETION DESC LIMIT " + start;
+        if (limit != -1) {
+            query += (", " + limit);
+        }
+        return loadTasks(query);
+    }
+
+    /** Loads lists of tasks. */
+    protected ArrayList loadTasks (final String query)
+        throws PersistenceException
+    {
+        return (ArrayList)execute(new Operation () {
+            public Object invoke (Connection conn, DatabaseLiaison liaison)
+                throws PersistenceException, SQLException
+            {
+                Cursor tc = _ttable.select(query);
+                return tc.toArrayList();
+            }
+        });
+    }
+
+    /**
+     * Marks the specified task as completed by the specified user.
+     */
+    public void completeTask (final int taskId, final String completor)
+        throws PersistenceException
+    {
+        execute(new Operation () {
+            public Object invoke (Connection conn, DatabaseLiaison liaison)
+                throws PersistenceException, SQLException
+            {
+                String query = "update TASKS " +
+                    "set COMPLETOR = ?, COMPLETION = ? where TASK_ID = ?";
+                PreparedStatement stmt = null;
+
+                try {
+                    stmt = conn.prepareStatement(query);
+                    stmt.setString(1, completor);
+                    stmt.setDate(2, new Date(System.currentTimeMillis()));
+                    stmt.setInt(3, taskId);
+                    JDBCUtil.checkedUpdate(stmt, 1);
+
+                } finally {
+                    JDBCUtil.close(stmt);
+                }
+
+                return null;
+            }
+        });
+    }
+
+    /**
+     * Marks the specified task as owned by the specified user.
+     */
+    public void claimTask (final int taskId, final String owner)
+        throws PersistenceException
+    {
+        execute(new Operation () {
+            public Object invoke (Connection conn, DatabaseLiaison liaison)
+                throws PersistenceException, SQLException
+            {
+                String query = "update TASKS " +
+                    "set OWNER = ? where TASK_ID = ?";
+                PreparedStatement stmt = null;
+
+                try {
+                    stmt = conn.prepareStatement(query);
+                    stmt.setString(1, owner);
+                    stmt.setInt(2, taskId);
+                    JDBCUtil.checkedUpdate(stmt, 1);
+
+                } finally {
+                    JDBCUtil.close(stmt);
+                }
+
+                return null;
+            }
+        });
+    }
+
+    /**
+     * Updates a task that was previously loaded from the repository.
+     */
+    public void updateTask (final Task task)
+        throws PersistenceException
+    {
+	execute(new Operation() {
+            public Object invoke (Connection conn, DatabaseLiaison liaison)
+                throws PersistenceException, SQLException
+	    {
+                _ttable.update(task);
+                return null;
+            }
+        });
+    }
+
+    protected Table _ttable;
+}

runtime/twodue/src/java/com/samskivert/twodue/logic/UserLogic.java

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+//
+// $Id: UserLogic.java,v 1.1 2002/11/08 09:14:21 mdb Exp $
+
+package com.samskivert.twodue.logic;
+
+import com.samskivert.servlet.user.User;
+import com.samskivert.velocity.Application;
+import com.samskivert.velocity.InvocationContext;
+import com.samskivert.velocity.Logic;
+
+import com.samskivert.twodue.TwoDueApp;
+
+/**
+ * A base logic class for pages that require an authenticated user.
+ */
+public abstract class UserLogic implements Logic
+{
+    /**
+     * Logic classes should implement this method to perform their normal
+     * duties.
+     *
+     * @param ctx the context in which the request is being invoked.
+     * @param app the web application.
+     * @param user the user record for the authenticated user.
+     */
+    public abstract void invoke (
+        InvocationContext ctx, TwoDueApp app, User user)
+        throws Exception;
+
+    // documentation inherited from interface
+    public void invoke (Application app, InvocationContext ctx)
+        throws Exception
+    {
+        TwoDueApp tdapp = (TwoDueApp)app;
+	User user = tdapp.getUserManager().requireUser(ctx.getRequest());
+        invoke(ctx, tdapp, user);
+    }
+}

runtime/twodue/src/java/com/samskivert/twodue/logic/index.java

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+//
+// $Id: index.java,v 1.1 2002/11/08 09:14:21 mdb Exp $
+
+package com.samskivert.twodue.logic;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import javax.servlet.http.HttpServletRequest;
+
+import com.samskivert.util.QuickSort;
+import com.samskivert.util.StringUtil;
+
+import com.samskivert.servlet.RedirectException;
+import com.samskivert.servlet.user.User;
+import com.samskivert.servlet.util.ParameterUtil;
+import com.samskivert.velocity.InvocationContext;
+
+import com.samskivert.twodue.Log;
+import com.samskivert.twodue.TwoDueApp;
+import com.samskivert.twodue.data.Task;
+
+/**
+ * Displays a summary out outstanding and completed tasks.
+ */
+public class index extends UserLogic
+{
+    public void invoke (InvocationContext ctx, TwoDueApp app, User user)
+        throws Exception
+    {
+        HttpServletRequest req = ctx.getRequest();
+
+        // display any message we've been asked to display
+        String msg = ParameterUtil.getParameter(req, "message", true);
+        if (!StringUtil.blank(msg)) {
+            ctx.put("error", msg);
+        }
+
+        // we use this to determine whether to show "complete" buttons for
+        // tasks
+        ctx.put("username", user.username);
+
+	// if they've submitted the form, we create a new task and stick
+	// it into the dataabse
+	if (ParameterUtil.parameterEquals(
+                ctx.getRequest(), "action", "create")) {
+	    // set the creator from the username of the calling user
+	    Task task = new Task();
+	    task.creator = user.username;
+
+	    // parse our fields
+	    task.summary = ParameterUtil.requireParameter(
+                ctx.getRequest(), "summary", "index.error.missing_summary");
+	    task.category = ParameterUtil.requireParameter(
+                ctx.getRequest(), "category",
+                "index.error.missing_category");
+	    task.complexity = ParameterUtil.requireParameter(
+                ctx.getRequest(), "complexity",
+                "index.error.missing_complexity");
+	    task.priority = ParameterUtil.requireIntParameter(
+                ctx.getRequest(), "priority",
+                "index.error.invalid_priority");
+
+	    // insert the task into the repository
+            app.getRepository().createTask(task);
+
+            // flip back to this same page minus our query parameters to
+            // clear out the creation form
+            throw new RedirectException(
+                "index.wm?msg=index.message.task_created");
+
+        } else if (ParameterUtil.parameterEquals(
+                       ctx.getRequest(), "action", "complete")) {
+            int taskId = ParameterUtil.requireIntParameter(
+                ctx.getRequest(), "task", "index.error.missing_taskid");
+            app.getRepository().completeTask(taskId, user.username);
+
+	    // let the user know we updated the database
+	    ctx.put("error", "index.message.task_completed");
+
+        } else if (ParameterUtil.parameterEquals(
+                       ctx.getRequest(), "action", "claim")) {
+            int taskId = ParameterUtil.requireIntParameter(
+                ctx.getRequest(), "task", "index.error.missing_taskid");
+            app.getRepository().claimTask(taskId, user.username);
+
+	    // let the user know we updated the database
+	    ctx.put("error", "index.message.task_claimed");
+        }
+
+        // load up outstanding tasks and break them down by complexity
+        String expand = ParameterUtil.getParameter(req, "expand", false);
+        ArrayList tasks = app.getRepository().loadTasks();
+        CatList[] xtasks = categorize(tasks, expand, new Categorizer() {
+            public String category (Task task) {
+                return task.complexity;
+            }
+        });
+        ctx.put("xtasks", xtasks);
+
+        // load up owned tasks and break them down by owner
+        tasks = app.getRepository().loadOwnedTasks();
+        CatList[] otasks = categorize(tasks, null, new Categorizer() {
+            public String category (Task task) {
+                return task.owner;
+            }
+        });
+        ctx.put("otasks", otasks);
+
+        // load up recently completed tasks
+        tasks = app.getRepository().loadCompletedTasks(0, 6);
+        ctx.put("dtasks", tasks);
+    }
+
+    protected static class CatList
+        implements Comparable
+    {
+        public String name;
+        public ArrayList tasks;
+        public int pruned;
+        public int compareTo (Object other)
+        {
+            return name.compareTo(((CatList)other).name);
+        }
+    }
+
+    protected static interface Categorizer
+    {
+        public String category (Task task);
+    }
+
+    protected CatList[] categorize (
+        ArrayList tasks, String expand, Categorizer catter)
+    {
+        HashMap cmap = new HashMap();
+        int tcount = tasks.size();
+        for (int ii = 0; ii < tcount; ii++) {
+            Task task = (Task)tasks.get(ii);
+            String category = catter.category(task);
+            CatList clist = (CatList)cmap.get(category);
+            if (clist == null) {
+                clist = new CatList();
+                clist.name = category;
+                clist.tasks = new ArrayList();
+                cmap.put(category, clist);
+            }
+            if (expand == null || clist.tasks.size() < 2 ||
+                (expand.equals(category))) {
+                clist.tasks.add(task);
+            } else {
+                clist.pruned++;
+            }
+        }
+
+        CatList[] ctasks = new CatList[cmap.size()];
+        Iterator iter = cmap.values().iterator();
+        for (int ii = 0; iter.hasNext(); ii++) {
+            ctasks[ii] = (CatList)iter.next();
+        }
+        QuickSort.sort(ctasks);
+
+        return ctasks;
+    }
+}

runtime/twodue/src/sql/tasks-schema.sql

@@ -0,0 +1,72 @@
+/**
+ * $Id: tasks-schema.sql,v 1.1 2002/11/08 09:14:21 mdb Exp $
+ *
+ * Schema for the Two Due tasks and notes table.
+ */
+
+drop table if exists TASKS;
+
+/**
+ * Contains basic data for every task in the system.
+ */
+CREATE TABLE TASKS
+(
+    /**
+     * A unique identifier for this task.
+     */
+    TASK_ID INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
+
+    /** 
+     * The summary description of this task.
+     */
+    SUMMARY VARCHAR(255) NOT NULL,
+
+    /** 
+     * The comma separated list of categories occupied by this task.
+     */
+    CATEGORY VARCHAR(255) NOT NULL,
+
+    /**
+     * The complexity identifier for this task.
+     */
+    COMPLEXITY VARCHAR(32) NOT NULL,
+
+    /**
+     * The priority of this task.
+     */
+    PRIORITY INTEGER UNSIGNED NOT NULL,
+
+    /** 
+     * The user to which this task is currently assigned.
+     */
+    OWNER VARCHAR(255),
+
+    /** 
+     * The name of the creator of this task.
+     */
+    CREATOR VARCHAR(255) NOT NULL,
+
+    /** 
+     * The time of creation of this task.
+     */
+    CREATION DATE NOT NULL,
+
+    /** 
+     * The name of the completor(s) of this task.
+     */
+    COMPLETOR VARCHAR(255),
+
+    /** 
+     * The time of completion of this task.
+     */
+    COMPLETION DATE,
+
+    /**
+     * Defines our table keys.
+     */
+    PRIMARY KEY (TASK_ID),
+    KEY (CATEGORY),
+    KEY (PRIORITY),
+    KEY (CREATION),
+    KEY (COMPLETION)
+);

runtime/twodue/web/app_footer.wm

@@ -0,0 +1,3 @@
+Two Due:
+<a href="index.wm">$i18n.xlate("app_footer.summary_link")</a> |
+<a href="/register/">$i18n.xlate("app_footer.account_link")</a>

runtime/twodue/web/edit.wm

@@ -0,0 +1,51 @@
+#set ($title = $i18n.xlate("edit.title"))
+#import ("/header.wm")
+
+<p>
+
+<form action="index.wm">
+$form.fixedHidden("action", "update")
+
+<table cellpadding="2" cellspacing="0" border="0">
+<tr><td colspan="3" bgcolor="$scolor">&nbsp;<br></td></tr>
+
+<tr><td colspan="3">Summary:<br>
+<textarea name="summary" rows="5" cols="50">
+</textarea>
+</td></tr>
+
+<tr><td>Category:<br>
+<font face="courier">
+$form.text("category", "size='10'", "")
+</font></td>
+
+<td>Complexity:<br>
+<font face="courier">
+<select name="complexity">
+  $form.option("complexity", "1 - Simple hack", "Simple hack", "1 - Simple hack")
+  $form.option("complexity", "2 - Minor feature", "Minor feature", "1 - Simple hack")
+  $form.option("complexity", "3 - Major feature", "Major feature", "1 - Simple hack")
+  $form.option("complexity", "4 - Subsystem", "Subsystem", "1 - Simple hack")
+  $form.option("complexity", "5 - Major refactor", "Major refactor", "1 - Simple hack")
+</select>
+</font></td>
+
+<td>Priority:<br>
+<font face="courier">
+<select name="priority">
+  $form.option("priority", "50", "Urgent", "15")
+  $form.option("priority", "25", "Next release", "15")
+  $form.option("priority", "15", "Soon", "15")
+  $form.option("priority", "10", "Before launch", "15")
+  $form.option("priority", "5", "Post launch", "15")
+  $form.option("priority", "1", "On the list", "15")
+</select>
+</font></td></tr>
+
+<tr><td colspan="3" align="right" bgcolor="$scolor">
+$form.submit("submit", "Update")</td></tr>
+</table>
+
+</form>
+
+#import ("/footer.wm")

runtime/twodue/web/footer.wm

@@ -0,0 +1,16 @@
+<p>
+<table cellpadding=6 cellspacing=0 border=0 width="100%">
+<tr bgcolor="$hcolor">
+<td>
+#import ("app_footer.wm")
+</td>
+<!--
+<td align="right">
+&copy;2002 
+<a href="http://www.samskivert.com/">Michael Bayne</a>
+</td>
+-->
+</table>
+
+</body>
+</html>

runtime/twodue/web/header.wm

@@ -0,0 +1,26 @@
+## This is the header and footer color
+#set ($hcolor = "#CCCCCC")
+## These colors are used for common UI elements
+#set ($tcolor = "#99CCFF")
+#set ($scolor = "#CCCCCC")
+
+<html>
+<head>
+<title>$i18n.xlate("header.combined_title", $i18n.xlate("app_name"), $title)</title>
+<link rel="stylesheet" type="text/css" href="/twodue/style.css">
+</head>
+
+<body bgcolor="#FFFFFF" vlink="#003366">
+
+<table cellpadding="6" cellspacing="0" border="0" width="100%">
+<tr bgcolor="$hcolor"><td align=right>
+<span class="big"><b>$i18n.xlate("header.title", $i18n.xlate("app_name"))</b></span><br>
+$title</td>
+</table>
+
+#if ($error)
+  <p>
+  <table cellpadding="6" cellspacing="0" border="0" width="100%">
+  <tr><td><font color="#FF0000">$i18n.xlate($error)</font></td></tr>
+  </table>
+#end

runtime/twodue/web/index.wm

@@ -0,0 +1,156 @@
+#set ($title = $i18n.xlate("index.title"))
+#import ("/header.wm")
+
+<p>
+
+<table cellpadding="0" cellspacing="15" border="0">
+<tr><td width="50%"><b>Owned tasks:</b></td>
+
+<td width="50%"><b>Outstanding tasks:</b></td></tr>
+
+<tr><td valign="top">
+<table cellpadding="2" cellspacing="0" border="0" width="100%">
+
+#foreach ($otask in $otasks)
+#if ($vidx > 0)
+<tr><td colspan="3">&nbsp;</td></tr>
+#end
+<tr><td colspan="3" align="left" bgcolor="$scolor">$otask.name</td></tr>
+
+#foreach ($task in $otask.tasks)
+<form action="index.wm">
+$form.fixedHidden("action", "complete")
+$form.fixedHidden("task", "$task.taskId")
+#if ($vidx%2 == 0)
+#set ($rowcolor = "#FFFFFF")
+#else
+#set ($rowcolor = "#EEEEEE")
+#end
+<tr bgcolor="$rowcolor"><td>
+#if ($username == $task.owner)
+$form.imageSubmit("submit", "", "images/complete.png", "Mark as completed")
+#else
+&nbsp;
+#end
+</td>
+<td>$task.summary</td>
+<td valign="top">$task.category</td></tr>
+</form>
+#end
+#end
+</table>
+
+<p>
+<center class="small">Click the check box to mark a task as completed.</center>
+
+</td><td valign="top">
+
+<table cellpadding="2" cellspacing="0" border="0" width="100%">
+#foreach ($xtask in $xtasks)
+#if ($vidx > 0)
+<tr><td colspan="3">&nbsp;</td></tr>
+#end
+<tr bgcolor="$scolor"><td colspan="2" align="left">$xtask.name</td>
+<td>
+#if ($xtask.pruned > 0)
+<a href="index.wm?expand=$xtask.name">($xtask.pruned ...)</a>
+#else
+&nbsp;
+#end
+</td></tr>
+
+#foreach ($task in $xtask.tasks)
+<form action="index.wm">
+$form.fixedHidden("task", "$task.taskId")
+#if ($vidx%2 == 0)
+#set ($rowcolor = "#FFFFFF")
+#else
+#set ($rowcolor = "#EEEEEE")
+#end
+<tr bgcolor="$rowcolor">
+<td>$form.imageSubmit("action", "claim", "images/claim.png", "Claim this task")</td>
+<td>$task.summary &nbsp;
+<span class="small">[$task.creator]</span></td>
+<td valign="top">$task.category</td>
+</tr>
+</form>
+#end
+#end
+</table>
+
+<p>
+<center class="small">Click the wrench to claim a task.</center>
+
+</td></tr>
+
+<tr><td colspan="2">&nbsp;</td></tr>
+
+<tr><td><b>Recent completed tasks:</b></td>
+<td><b>Create new task:</b></td></tr>
+
+<tr><td valign="top">
+<table cellpadding="2" cellspacing="0" border="0" width="100%">
+#foreach ($task in $dtasks)
+#if ($vidx%2 == 0)
+#set ($rowcolor = "#EEEEEE")
+#else
+#set ($rowcolor = "#FFFFFF")
+#end
+<tr bgcolor="$rowcolor">
+<td valign="top" align="center">$task.completion<br>[$task.completor]</td>
+<td>$task.summary</td>
+<td valign="top">$task.category</td></tr>
+#end
+</table>
+
+</td><td valign="top">
+
+<form action="index.wm">
+$form.fixedHidden("action", "create")
+
+<table cellpadding="2" cellspacing="0" border="0">
+<tr><td colspan="3" bgcolor="$scolor">&nbsp;<br></td></tr>
+
+<tr><td colspan="3">Summary:<br>
+<textarea name="summary" rows="5" cols="50">
+</textarea>
+</td></tr>
+
+<tr><td>Category:<br>
+<font face="courier">
+$form.text("category", "size='10'", "")
+</font></td>
+
+<td>Complexity:<br>
+<font face="courier">
+<select name="complexity">
+  $form.option("complexity", "1 - Simple hack", "Simple hack", "1 - Simple hack")
+  $form.option("complexity", "2 - Minor feature", "Minor feature", "1 - Simple hack")
+  $form.option("complexity", "3 - Major feature", "Major feature", "1 - Simple hack")
+  $form.option("complexity", "4 - Subsystem", "Subsystem", "1 - Simple hack")
+  $form.option("complexity", "5 - Major refactor", "Major refactor", "1 - Simple hack")
+</select>
+</font></td>
+
+<td>Priority:<br>
+<font face="courier">
+<select name="priority">
+  $form.option("priority", "50", "Urgent", "15")
+  $form.option("priority", "25", "Next release", "15")
+  $form.option("priority", "15", "Soon", "15")
+  $form.option("priority", "10", "Before launch", "15")
+  $form.option("priority", "5", "Post launch", "15")
+  $form.option("priority", "1", "On the list", "15")
+</select>
+</font></td></tr>
+
+<tr><td colspan="3" align="right" bgcolor="$scolor">
+$form.submit("submit", "Create")</td></tr>
+</table>
+
+</form>
+
+</td></tr>
+</table>
+
+#import ("/footer.wm")

runtime/twodue/web/style.css

@@ -0,0 +1,17 @@
+body { 
+  font-family: Arial, Helvetica, sans-serif;
+  font-size: 12pt;
+}
+
+th, td, center, div { /* ns 4 */
+  font-family: Arial, Helvetica, sans-serif;
+  font-size: 12pt;
+}
+
+pre {
+  font-family: Courier;
+  font-size: 12pt
+}
+
+.big { font-size: 16pt }
+.small { font-size: 10pt }