PC World Komputer 2010 April/PCWorld0410.iso/pluginy Firefox/45975/45975.xpi/content/diclookup.js

Text File | 2009-11-23 | 5.7 KB | 153 lines

/*
 * Copyright (c) 2009 Bui Viet Thanh ([e-mail]).
 *
 * This file is part of clicknlearn.
 *
 * clicknlearn is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * clicknlearn is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with clicknlearn.  If not, see <http://www.gnu.org/licenses/>.
 */

Components.utils.import("resource://clicknlearn/ext/Observers.js");
Components.utils.import("resource://clicknlearn/cnlprefs.js");

function DicLookup(){
    this.currentWord = "";
    this.currentRemind = "";
    this.remember = false;//has remember the current word
    this.div = null;
    this.divId = "clicknlearnDiv";
    this.request = Object;

    this._initDicServices();
    Observers.add("cnl_dicservicesPreferencesChanged", this._initDicServices, this);

    this._activeDicServiceIndex = this._defaultDicServiceIndex = 0;
}

DicLookup.prototype._initDicServices = function() {
    var dicts = CNL_Prefs.getDicsArrayPref();
    if(dicts.length == 0)
        dicts =
        [['true', 'tratu.vn', 'http://tratu.vn/dispatchaddon.php?dict=en_vn&title=',
            '<i>Bạn đang tra từ', '']
        ,['true', 'vdict.com', 'http://vdict.com/fsearch.php?dictionaries=eng2vie_vie2eng_foldoc&word=',
            ' <!-- Database --><!-- Database --><!-- Database -->Not Found.', '']
        ,['true', 'edictx.com', 'http://edictx.com/edictx/?dict=1&mode=addon&word=',
            ' was not found!<', '']
        ,['true', 'tudientiengviet.net', 'http://www.tudientiengviet.net/get.php?mode=quickdict&dict=en-vi&word=',
            'Các từ tương tự: <br><ul>', '']];
    this.dicServices = [];
    for(var i in dicts)
        if(dicts[i][0] == "true")
            this.dicServices.push(new DicService(dicts[i][1], dicts[i][2], dicts[i][3], dicts[i][4]));
}

DicLookup.prototype.formatCurrentWord = function() {
    this.currentWord = CNLUtils.formatWord(this.currentWord);
}

DicLookup.prototype.reset = function() {
    this.clearRequest();
    CNL.removeDiv(this.div);
    this.div = null;
}

DicLookup.prototype.clearRequest = function() {
    if (this.request != null)
        try {
            this.request.abort();
        } catch (e) {
        }
    this.request = null;
}

DicLookup.prototype.printLookingUp = function() {
    this.div.innerHTML = CNL.stringsBundle.getFormattedString('lookingup'
            , [this.currentWord, this.dicServices[this._activeDicServiceIndex].name]);
}

DicLookup.prototype.showDivWithEmptyWord = function() {
    this.div.innerHTML = CNLUtils.replaceAntStyleString(
            "<label for='cnlwordbox'>${lookup} </label>" +
            "<input type='text' id='cnlwordbox' maxlength='60' size='15' value='' />");
    var textbox = this.div.firstChild.nextSibling;
    textbox.focus();
}

DicLookup.prototype.requestWord = function() {
    try    {
        this.request = new XMLHttpRequest();
        if (this.request.readyState != 0) {
            return;
        }
    }
    catch (e) {
        return;
    }
    this._activeDicServiceIndex = this._defaultDicServiceIndex;
    this.doRequestWord(false);
}

DicLookup.prototype.doRequestWord = function(reRequestOnNotFound){
    try {
        this.request.open("GET", this.dicServices[this._activeDicServiceIndex].getUrl(this.currentWord), true);
        this.request.send(null);
    }
    catch (e) {
        return;
    }

    this.request.onreadystatechange = function() {
        // we have to use "CNL.DICLOOKUP.request.readyState" instead of "this.readyState"
        if(! CNL.DICLOOKUP.div)
            return;
        if (CNL.DICLOOKUP.request.readyState == 4)
            if (CNL.DICLOOKUP.request.status == 200){
                if (CNL.DICLOOKUP.dicServices[CNL.DICLOOKUP._activeDicServiceIndex].wordNotFound(CNL.DICLOOKUP.request.responseText)){
                    if(reRequestOnNotFound)
                        CNL.DICLOOKUP.requestWordFromOtherSources();
                    else
                        CNL.DICLOOKUP.div.innerHTML = CNL.stringsBundle.getFormattedString('wordnotfoundin',
                                [CNL.DICLOOKUP.currentWord, CNL.DICLOOKUP.dicServices[CNL.DICLOOKUP._activeDicServiceIndex].name])
                            + " <button id='cnl_settingsButton'><img src='chrome://clicknlearn/skin/settings24.png' /></button>"
                            +"<br /><button class='clicknlearnButton' id='requestWordFromOtherSourcesButton'>"
                            + CNL.stringsBundle.getString('requestWordFromOtherSources') + '</button>';
                }
                else
                    CNL.DICLOOKUP.dicServices[CNL.DICLOOKUP._activeDicServiceIndex].parseAndPrint(CNL.DICLOOKUP.request.responseText);
            }
//            else
//                if (CNL.DICLOOKUP.request.status == 404)
//                    CNL.DICLOOKUP.replaceLookingUp();
    }
}

DicLookup.prototype.requestWordFromOtherSources = function(){
    this._activeDicServiceIndex ++;
    if(this._activeDicServiceIndex >= this.dicServices.length)
        this._activeDicServiceIndex = 0;
    if (this._activeDicServiceIndex == this._defaultDicServiceIndex){
        //Not found in all dic services.
        this.div.innerHTML = CNL.stringsBundle.getFormattedString('wordnotfound', [this.currentWord]);
        return;
    }
    this.printLookingUp();
    this.doRequestWord(true);
}

DicLookup.prototype.clearAll = function() {
    CNL.removeDiv(this.div);
    this.div = null;
    this.currentWord = null;
}