MediaWiki:Gadget-WikidataDesc.js

/**
 * WikidataDesc
 *
 * 在条目顶端显示/编辑维基数据描述
 *
 * 原作者：User:Alexander Misel （[[Special:Permalink/45559457]]）
 * 改进  ：User:逆襲的天邪鬼
 */

mw.loader.using('mediawiki.ForeignApi').done(function () {
    'use strict';

    var UI = ['zh-hk','zh-mo','zh-tw'].indexOf(mw.config.get('wgUserLanguage'))!==-1 ? {
        SAVING: '正在儲存',
        EDIT: '編輯',
        SAVE: '儲存',
        CANCEL: '取消',
        PLACEHOLDER: '維基數據描述',
        EMPTY: '無描述',
        SUCCESS: '儲存成功',
        ERROR: '發生错误',
    } : {
        SAVING: '正在保存',
        EDIT: '编辑',
        SAVE: '保存',
        CANCEL: '取消',
        PLACEHOLDER: '维基数据描述',
        EMPTY: '无描述',
        SUCCESS: '保存成功',
        ERROR: '发生错误',
    };

    var $desc = $('<div id="wikidatadesc" class="noprint">');
    var $saving = $('<span id="wikidatadesc_loading" class="text option" style="display:none;">（' + UI.SAVING + '）</span>');
    var $text = $('<span id="wikidatadesc_text" class="text">');
    var $editlink = $('<a href="#" class="option">[' + UI.EDIT + ']</a>');
    var $descbox = $('<div id="wikidatadesc_descbox">')
                        .append($text)
                        .append('&nbsp;')
                        .append($saving)
                        .append($editlink);
    var $input = $('<input class="editbox" type="text" placeHolder="' + UI.PLACEHOLDER + '">');
    var $save = $('<a href="#" class="option" id="wikidatadesc_save">[' + UI.SAVE + ']</a>');
    var $cancel = $('<a href="#" class="option" id="wikidatadesc_cancel">[' + UI.CANCEL + ']</a>');
    var $editbox = $('<div id="wikidatadesc_editbox" style="display:none;">')
                        .append($input)
                        .append('<br>')
                        .append($save)
                        .append($cancel);
    var CSS = '#wikidatadesc .text { color: #54595d; font-size: medium; } #wikidatadesc .editbox { width: 100%; padding: 4px; border: none; border-bottom: 1px solid #ccc; box-sizing: border-box; } #wikidatadesc .editbox:focus { border-bottom: 1px solid #0645ad; } #wikidatadesc .option { font-size: smaller; }';

    var status = 0;         // 0 显示，1 编辑
    var loaded = false;
    var saving = false;
    var id = '';
    var label = '';
    var lastdesc = '';
    var pagename = mw.config.get('wgPageName');

    var loadCtl = function () {
        $('body').append($('<style>').text(CSS));
        $desc.append($descbox).append($editbox);
        $("#siteSub").hide().before($desc);

        $editlink.click(function () {
            if (status !== 0 || saving) {
                return;
            }
            status = 1;

            $descbox.hide();
            $editbox.show();
            $input.focus();
        });

        $save.click(function () {
            if (status !== 1) {
                return;
            }
            status = 0;
            saving = true;

            var newdesc = $input.val();

            $text.text(newdesc);
            $saving.show();
            $editlink.hide();
            $descbox.show();
            $editbox.hide();

            save(newdesc, function (success, error) {
                saving = false;
                $saving.hide();
                $editlink.show();
                if (success) {
                    lastdesc = newdesc;
                    mw.notify(UI.SUCCESS);
                } else {
                    $text.text(lastdesc);
                    mw.notify(UI.ERROR);
                }
            });
        });

        $cancel.click(function () {
            if (status !== 1) {
                return;
            }
            status = 0;
            $input.val(lastdesc);
            $descbox.show();
            $editbox.hide();
        });

        $input.keydown(function (e) {
            if (e.which === 13) {
                $save.click();
            } else if (e.which === 27) {
                $cancel.click();
            }
        });

        loaded = true;
    };

    var show = function (desc) {
        if (!loaded) {
            loadCtl();
        }

        if (desc !== null) {
            $text.text(desc);
            $input.val(desc);
            lastdesc = desc;
        } else {
            $text.text('（' + UI.EMPTY + '）');
            $input.val('');
            lastdesc = '';
        }
    };

    var load = function (callback) {
        var ns = mw.config.get('wgNamespaceNumber');
        if (ns === 0) {
            var api = new mw.ForeignApi('https://www.wikidata.org/w/api.php');
            var res = '';
            api.get( {
                action: 'wbgetentities',
                props:  'labels|descriptions',
                sites:  'zhwiki',
                titles: pagename,
                languages: 'zh'
            }).done(function(data){
                $.each( data.entities, function( i, item ) {
                    if (i == '-1') {
                        id = 'NE';
                        callback(null);
                    } else {
                        id = item.id;
                        var labels = item.labels;
                        if (labels.zh) {
                            label = labels.zh.value;
                        } else {
                            label = '';
                        }

                        var desc = item.descriptions;
                        if (desc.zh) {
                            res = desc.zh.value;
                            callback(res);
                        } else {
                            callback(null);
                        }
                    }
                });
            });
        }
    };

    var save = function (newdesc, callback) {
        var api = new mw.ForeignApi('https://www.wikidata.org/w/api.php');

        api.get( {
            action: 'query',
            meta:   'tokens'
        }).done(function (data) {
            if (id == 'NE') {
                var jdata = JSON.stringify({
				    labels: {zh: {language: 'zh', value: pagename}},
				    descriptions: {zh: {language: 'zh', value: newdesc}},
				    sitelinks: {zhwiki: {site: 'zhwiki', title: pagename}},
				});
                api.post({
                    action: 'wbeditentity',
                    'new':    'item',
                    token:  data.query.tokens.csrftoken,
                    data:   jdata
                }).done(function () {
                    callback(true);
                }).fail(function () {
                    callback(false);
                });
            } else {
                api.post({
                    action: 'wbsetdescription',
                    id: id,
                    token: data.query.tokens.csrftoken,
                    language: 'zh',
                    value: newdesc,
                }).done(function () {
                    if (label === '') {
                        api.post({
                            action: 'wbsetlabel',
                            id: id,
                            token: data.query.tokens.csrftoken,
                            language: 'zh',
                            value: pagename,
                        }).always(function () {
                            callback(true);
                        });
                    } else {
                        callback(true);
                    }
                }).fail(function () {
                    callback(false);
                });
            }
        }).fail(function () {
            callback(false);
        });
    };

    load(show);
});