User:Bhsd/table-editor.js

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// 引自[[wikipedia:User:Kephir/gadgets/table-editor.js]]
$(function() {
    if(!['edit', 'submit'].includes( mw.config.get('wgAction') ) ||
        mw.config.get('wgPageContentModel') != 'wikitext')
        return;

    /* 表格列操作 */
    var editBox = $('#wpTextbox1');
    function getSelection(textarea) {
        var start = textarea.prop('selectionStart'),
            end = textarea.prop('selectionEnd');
        return [textarea.val().substring(0, start),
            textarea.val().substring(start, end),
            textarea.val().substring(end)
        ];
    }
    function readTable(table) {
        table = table.trim();
        if( !/^[\s]*{\|[\s\S]*\n[\s]*\|}$/.test(table) ) { return false; }
        table = table.slice(2, -2);
        var tableProperty = table.match(/^([\s\S]*?)\n/)[1],
            tbody = table.substring( tableProperty.length ).trim(),
            tr = tbody.split('|-').filter(e => /[\|!]/.test(e)).map(e => e.trim());
            trProperty = tr.map(e => {
                if( /^[\|!]/.test(e) ) { return ""; }
                return e.match(/^([\s\S]*?\n[\S]*?)[\|!]/)[1];
            }),
            td = tr.map( (e, i) => [e.charAt(trProperty[i].length), ...e.substring( trProperty[i].length + 1 ).split(/(\|\||\n[\s]*\||!!|\n[\s]*!)/)] );
        return {tableProperty: tableProperty, trProperty: trProperty, td: td};
    }
    function parseTable(table) {
        var result = "{|" + table.tableProperty.trim() + "\n",
            td = table.td;
        table.trProperty.forEach(function(e, i) {
            if(i || e.trim()) { result += "|-" + e.trim() + "\n"; }
            for(var j = 0; j < td[i].length / 2; j++) {
                result += td[i][j * 2].slice(-1) + td[i][j * 2 + 1].trim() + "\n";
            }
        });
        return result + "|}";
    }
    function parseCompactTable(table) {
        var result = "{|" + table.tableProperty.trim() + "\n",
            td = table.td;
        table.trProperty.forEach(function(e, i) {
            if(i || e.trim()) { result += "|-" + e.trim() + "\n"; }
            for(var j = 0; j < td[i].length / 2; j++) {
                result += td[i][j * 2].slice(-1) + td[i][j * 2 + 1].trim() + ' ' + (td[i][j * 2 + 2] || "\n").slice(-1);
            }
        });
        return result + "|}";
    }
    function insertCol(table) {
        var init = prompt( wgULS("请输入插入列的初始内容：", "請輸入插入列的初始內容：") );
        table.td = table.td.map(e => [...e, '|', init]);
        return table;
    }
    function permuteCol(table) {
        var order = prompt( wgULS("请输入新的列序。原第一列记为0，依次类推。以半角符号（,）分隔，省略想要删除的列的序号", "請輸入新的列序。原第一列記為0，依此類推。以半形符號（,）分隔，省略想要刪除的列的序號") ).split(',');
        if( order.find(e => isNaN(e) || e < 0) ) {
            mw.notify("列序输入格式不正确", "列序輸入格式不正確");
            return table;
        }
        table.td = table.td.map(e => {
            var tdArray = [];
            order.forEach(function(i) {
                tdArray.push(e[2 * i] || '|');
                tdArray.push(e[2 * i + 1] || '');
            });
            return tdArray;
        });
        return table;
    }

    editBox.wikiEditor('addToToolbar', {
        sections: {
            'tables': {
                type: 'toolbar',
                label: '表格'
            }
        }
    });
    editBox.wikiEditor('addToToolbar', {
        section: 'tables',
        groups: {
            'tables': {}
        }
    });
    function addButton(text, icon, handler) {
        editBox.wikiEditor('addToToolbar', {
            section: 'tables',
            group: 'tables',
            tools: {
                ident: {
                    label: text,
                    type: 'button',
                    icon: icon,
                    action: {
                        type: 'callback',
                        execute: function() {
                            var parts = getSelection(editBox),
                                table = readTable( parts[1] );
                            if(!table) {
                                mw.notify( wgULS("表格不完整或存在错误", "表格不完整或存在錯誤") );
                                return;
                            }
                            editBox.val( parts[0] + handler(table) + parts[2] );
                        }
                    }
                }
            }
        });
    }
    addButton(wgULS("<tr>分行书写", "<tr>分行書寫"),
        "//upload.wikimedia.org/wikipedia/commons/c/c0/Knop_onzijdig.png",
        parseTable
    );
    addButton(wgULS("<tr>一行书写", "<tr>一行書寫"),
        "//upload.wikimedia.org/wikipedia/commons/8/8e/Button_number_1.png",
        parseCompactTable
    );
    addButton(wgULS("在最右侧插入一列", "在最右側插入一列"),
        "//upload.wikimedia.org/wikipedia/commons/6/60/Button_support.png",
        function(table) {
            return parseCompactTable( insertCol(table) );
        }
    );
    addButton(wgULS("改变列序和/或删除部分列", "改變列序和/或刪除部分列"),
        "//upload.wikimedia.org/wikipedia/commons/9/98/Button_oppose.png",
        function(table) {
            return parseCompactTable( permuteCol(table) );
        }
    );
});