IMDb List Helper

Makes creating IMDb lists more efficient and convenient
目前為 2015-08-10 提交的版本，檢視最新版本。
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// ==UserScript==
// @name           IMDb List Helper
// @namespace      imdb
// @description    Makes creating IMDb lists more efficient and convenient
// @version        1.6.1.2
// @include        http://*imdb.com/list/edit*
// ==/UserScript==

//
// CHANGELOG
//
// 1.6.1.2
// added: input text suggestion as a placeholder
//
// 1.6.1.1 
// fixed: some entries are skipped when adding imdb ids/urls
// 

//
// milliseconds between each request
//
var REQUEST_DELAY = 1000; 

//
// do not modify anything below this line !!
//
var jQuery = unsafeWindow.jQuery;
var $ = jQuery;

var textEdit = '<div id="imdbListTextEdit" style="'
                + 'padding: 10px; border: 1px solid #e8e8e8">'
                + '<textarea id="filmList" rows="7" cols="60" placeholder="Input titles, IMDb URLs, and IDs here and click Start"></textarea><br />'
                + '<input type="button" id="doList" value="Start" /> '
                + '<input type="button" id="skipFilm" value="Skip" /> '
                + '<input type="button" id="retryPost" value="Retry" /> '
                + '<span style="font-weight: bold">Remaining: <span id="filmsRemaining">0</span></span><br /><br />'
                + '<span style="font-weight: bold;">Current: <input type="text" id="filmCurrent" size="65" style="font-family: monospace" /></span><br />'
                + '<span style="font-weight: bold;">Regexp: <input type="text" value="^(.*)$" id="filmRegexp" size="65" style="font-family: monospace; margin-top: 4px; margin-left: 1px" /></span><br />'
                + '</div>';

$("div#main > div.list_edit > div.add").after(textEdit);

// globals
var films = [];
var regexObj = null;

function resetState()
{
    films = [];
    regexObj = null;
    
    $("#filmList").removeAttr("disabled");
    $("#filmRegexp").removeAttr("disabled"); // leave regex
    $("#doList").removeAttr("disabled");
    
    $("#filmCurrent").val("");
    
    $("input[name=add]", "div.add").val("");
    $("div.results", "div.add").html(""); 
}



function searchFilm(filmTitle)
{    
    // remove unnecessary whitespace
    filmTitle = $.trim(filmTitle);
    
    // set current text to what we're searching
    $("#filmCurrent", "#imdbListTextEdit").val(filmTitle);
    
    // remove the first title from the text box and set the remaining number
    $filmList = $("#filmList", "#imdbListTextEdit");    
    var newList = $filmList.val().split("\n");
    $("#filmsRemaining", "#imdbListTextEdit").text(newList.length-1);
    $filmList.val( newList.slice(1).join("\n") );
    
    // run regex
    if( regexObj != null )
    {
        filmTitle = regexObj.exec(filmTitle)[1];
    }
    
    // set imdb search input field to film title
    $("input[name=add]", "div.add").val(filmTitle);
    
    // trigger search button click
    $("button.search").triggerHandler("click");
}

// when start button is clicked
$("#imdbListTextEdit").delegate("#doList", "click", function(e)
{        
    $filmList = $("#filmList", "#imdbListTextEdit");
    
    // regex
    $regexBox = $("#filmRegexp", "#imdbListTextEdit");
    
    if( $regexBox.val() )
    {
        regexObj = RegExp( $regexBox.val() );
    }
    
    // disable the text area and the button and the regexp box
    $filmList.attr("disabled", "disabled");
    $regexBox.attr("disabled", "disabled");
    $("#doList").attr("disabled", "disabled");
        
    films = $filmList.val().split("\n");
        
    // search first item
    searchFilm(films.shift());    
});

// when skip button is clicked
$("#imdbListTextEdit").delegate("#skipFilm", "click", function(e)
{
    // skip to next film
    if(films.length > 0)
    {
        searchFilm(films.shift());
    }
    else if(films.length == 0) // if no more films...
    {
        resetState();
    }
});

// Sometimes the request fails forcing the user to skip an entry to continue
jQuery("#imdbListTextEdit").delegate("#retryPost", "click", function(e)
{
    $("button.search").triggerHandler("click");
});

// when a search result item is clicked
$("div.results", "div.add").delegate("li", "click", function(e)
{
    // if there's more items, search next...
    if(films.length > 0)
    {
        searchFilm(films.shift());
    }
    else
    {
        // if last film, reset stuff
        resetState();
    }
});

// monitors for changes to the search result box
// if it recognizes an imdb url/id, it's clicked automatically
// since there's only one result
$("div.results").bind("DOMNodeInserted", function(e)
{
    if($("#filmCurrent").val().match(/(tt[0-9]{7})/)[1] && $("div.results").find("li").length)
    {
        setTimeout(function()
        {
            $("li", "div.results").trigger("click");
        }, REQUEST_DELAY);
    }
});