hatenadiarydraftautopreview.user.js

// ==UserScript==
// @name           HatenaDiaryDraftAutoPreview
// @namespace      http://orezdnu.org/
// @include        http://d.hatena.ne.jp/*/draft?*
// ==/UserScript==

(function(d) {
    var $ = function(id) {
        return typeof id == 'string' ? d.getElementById(id) : id;
    };
    var $f = function(form, name) {
        if (form[name]) return form[name].value;
        var es = form.elements;
        for (var i=0; i < es.length; i++) {
            if (es[i].name == name) return es[i].value;
        }
    };

    var textarea = $('textarea-edit');
    var edit = $('draft_form');
    if (!textarea || !edit) return;

    var form = d.createElement('form');
    form.method = 'post';
    var url = location.href.match(/(http:\/\/d[^\/]*\/[^\/]*\/[^\/]*)/);
    form.action = url[1];
    var param = {
        mode: 'enter',
        rkm: unsafeWindow.Hatena.Diary.rkm,
        title: $f(edit, 'title'),
        body: textarea.value,
        year: $f(edit, 'year'),
        month: $f(edit, 'month'),
        day: $f(edit, 'day'),
        preview: '確認する'
    };
    for (var key in param) {
        var input = d.createElement('input');
        input.type = 'hidden';
        input.name = key;
        input.value = param[key];
        form.appendChild(input);
    }
    d.body.appendChild(form);
    form.submit();
})(unsafeWindow.document);