/*

 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.

 * Copyright (C) 2006 David Smith (catfish.man@gmail.com)

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

var inputElement = null;

var mainWindow = window.opener;

var history = [""];

var historyIndex = 0;

function loaded()

{

    inputElement = document.getElementById("input");

    inputElement.addEventListener("keydown", inputKeyDown, false);

    inputElement.addEventListener("keyup", inputKeyUp, false);

    inputElement.focus();

}

function inputKeyDown(event)

{

    if (event.keyCode == 13 && !event.altKey) {

        if (mainWindow.isPaused && mainWindow.currentStack) {

            history[history.length - 1] = inputElement.innerText;

            sendScript(inputElement.innerText);

            inputElement.innerText = "";

            history.push("");

            historyIndex = history.length - 1;

            inputElement.focus();

        } else

            alert("The debugger needs to be paused.\tIn order to evaluate your script input you need to pause the debugger in the context of another script.");

        event.preventDefault();

    } else if (event.keyCode == 38 && !event.altKey && historyIndex > 0) {

        historyIndex--;

        inputElement.innerText = history[historyIndex];

        inputElement.focus()

        event.preventDefault();

    } else if (event.keyCode == 40 && !event.altKey && historyIndex < (history.length - 1)) {

        historyIndex++;

        inputElement.innerText = history[historyIndex];

        inputElement.focus()

        event.preventDefault();

    }

}

function inputKeyUp(event)

{

    if (event.keyCode != 38 && event.keyCode != 40 && event.keyCode != 13) {

        history[historyIndex] = inputElement.innerText;

    }

}

function appendMessage(exp, msg)

{

    var historyDisplay = document.getElementById("history");

    var row = document.createElement("div");

    row.className = "row";

    if (historyDisplay.childNodes.length % 2)

        row.className += " alt";

    if (exp.length > 0) {

        var expression = document.createElement("div");

        expression.className = "expression";

        expression.innerText = exp;

        row.appendChild(expression);

    }

    var result = document.createElement("div");

    result.className = "result";

    result.innerText = msg;

    row.appendChild(result);

    historyDisplay.appendChild(row);

    historyDisplay.scrollTop = historyDisplay.scrollHeight;

}

function sendScript(script)

{

    appendMessage(script, mainWindow.DebuggerDocument.evaluateScript(script, mainWindow.currentCallFrame.index));

    if (script.indexOf("=") >= 0)

        mainWindow.currentCallFrame.loadVariables();

}

function unloading()

{

    mainWindow.consoleWindow = null;

}