mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-23 16:51:52 +00:00
320 lines
8.0 KiB
JavaScript
320 lines
8.0 KiB
JavaScript
function blog_editor_init(name, editor_config) {
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if (editor_config === undefined) {
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editor_config = {};
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}
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editor_config = $.extend({
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type: 'blog'
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}, editor_config);
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var input_title = $("#input-" + name + "_title");
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var input_tags = $("#input-" + name + "_tags");
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var input_content_md = $("#input-" + name + "_content_md");
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var input_is_hidden = $("#input-" + name + "_is_hidden");
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var this_form = input_is_hidden[0].form;
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var is_saved;
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var last_save_done = true;
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// init buttons
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var save_btn = $('<button type="button" class="btn btn-sm"></button>');
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var preview_btn = $('<button type="button" class="btn btn-secondary btn-sm"><span class="glyphicon glyphicon-eye-open"></span></button>');
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var bold_btn = $('<button type="button" class="btn btn-secondary btn-sm ml-2"><span class="glyphicon glyphicon-bold"></span></button>');
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var italic_btn = $('<button type="button" class="btn btn-secondary btn-sm"><span class="glyphicon glyphicon-italic"></span></button>');
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save_btn.tooltip({ container: 'body', title: '保存 (Ctrl-S)' });
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preview_btn.tooltip({ container: 'body', title: '预览 (Ctrl-D)' });
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bold_btn.tooltip({ container: 'body', title: '粗体 (Ctrl-B)' });
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italic_btn.tooltip({ container: 'body', title: '斜体 (Ctrl-I)' });
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var all_btn = [save_btn, preview_btn, bold_btn, italic_btn];
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// init toolbar
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var toolbar = $('<div class="btn-toolbar"></div>');
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toolbar.append($('<div class="btn-group"></div>')
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.append(save_btn)
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.append(preview_btn)
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);
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toolbar.append($('<div class="btn-group"></div>')
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.append(bold_btn)
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.append(italic_btn)
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);
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function set_saved(val) {
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is_saved = val;
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if (val) {
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save_btn.removeClass('btn-warning');
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save_btn.addClass('btn-success');
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save_btn.html('<span class="glyphicon glyphicon-saved"></span>');
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before_window_unload_message = null;
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} else {
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save_btn.removeClass('btn-success');
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save_btn.addClass('btn-warning');
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save_btn.html('<span class="glyphicon glyphicon-save"></span>');
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before_window_unload_message = '您所编辑的内容尚未保存';
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}
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}
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function set_preview_status(status) {
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// 0: normal
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// 1: loading
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// 2: loaded
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if (status == 0) {
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preview_btn.removeClass('active');
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for (var i = 0; i < all_btn.length; i++) {
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if (all_btn[i] != preview_btn) {
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all_btn[i].prop('disabled', false);
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}
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}
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} else if (status == 1) {
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for (var i = 0; i < all_btn.length; i++) {
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if (all_btn[i] != preview_btn) {
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all_btn[i].prop('disabled', true);
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}
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}
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preview_btn.addClass('active');
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}
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}
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set_saved(true);
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// init codemirror
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if (input_content_md[0]) {
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input_content_md.wrap('<div class="blog-content-md-editor"></div>');
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var blog_contend_md_editor = input_content_md.parent();
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input_content_md.before($('<div class="blog-content-md-editor-toolbar"></div>')
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.append(toolbar)
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);
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input_content_md.wrap('<div class="blog-content-md-editor-in"></div>');
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var codeeditor;
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if (editor_config.type == 'blog') {
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codeeditor = CodeMirror.fromTextArea(input_content_md[0], {
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mode: 'gfm',
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lineNumbers: true,
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matchBrackets: true,
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lineWrapping: true,
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styleActiveLine: true,
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theme: 'default'
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});
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} else if (editor_config.type == 'slide') {
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codeeditor = CodeMirror.fromTextArea(input_content_md[0], {
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mode: 'plain',
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lineNumbers: true,
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matchBrackets: true,
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lineWrapping: true,
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styleActiveLine: true,
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theme: 'default'
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});
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}
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}
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function preview(html) {
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var iframe = $('<iframe frameborder="0"></iframe>');
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blog_contend_md_editor.append(
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$('<div class="blog-content-md-editor-preview" style="display: none;"></div>')
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.append(iframe)
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);
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var iframe_document = iframe[0].contentWindow.document;
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iframe_document.open();
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iframe_document.write(html);
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iframe_document.close();
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$(iframe_document).bind('keydown', 'ctrl+d', function() {
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preview_btn.click();
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return false;
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});
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blog_contend_md_editor.find('.blog-content-md-editor-in').slideUp('fast');
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blog_contend_md_editor.find('.blog-content-md-editor-preview').slideDown('fast', function() {
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set_preview_status(2);
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iframe.focus();
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iframe.find('body').focus();
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});
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}
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function save(config) {
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if (config == undefined) {
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config = {};
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}
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config = $.extend({
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need_preview: false,
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fail: function() {
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},
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done: function() {
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}
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}, config);
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if (!last_save_done) {
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config.fail();
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config.done();
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return;
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}
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last_save_done = false;
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if (config.need_preview) {
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set_preview_status(1);
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}
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var post_data = {};
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$($(this_form).serializeArray()).each(function() {
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post_data[this["name"]] = this["value"];
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});
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if (config.need_preview) {
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post_data['need_preview'] = 'on';
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}
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post_data["save-" + name] = '';
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$.ajax({
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type : 'POST',
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data : post_data,
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url : window.location.href,
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success : function(data) {
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try {
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data = JSON.parse(data)
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} catch (e) {
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alert(data);
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if (config.need_preview) {
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set_preview_status(0);
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}
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config.fail();
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return;
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}
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var ok = true;
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$(['title', 'content_md', 'tags']).each(function() {
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ok &= showErrorHelp(name + '_' + this, data[this]);
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});
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if (data.extra !== undefined) {
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alert(data.extra);
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ok = false;
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}
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if (!ok) {
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if (config.need_preview) {
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set_preview_status(0);
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}
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config.fail();
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return;
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}
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set_saved(true);
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if (config.need_preview) {
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preview(data.html);
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}
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if (data.blog_write_url) {
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window.history.replaceState({}, document.title, data.blog_write_url);
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}
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if (data.blog_url) {
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$('#a-' + name + '_view_blog').attr('href', data.blog_url).show();
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}
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}
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}).fail(function() {
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if (config.need_preview) {
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set_preview_status(0);
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}
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config.fail();
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}).always(function() {
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last_save_done = true;
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config.done();
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});
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}
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function add_around(sl, sr) {
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codeeditor.replaceSelection(sl + codeeditor.getSelection() + sr);
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}
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// event
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if (input_content_md[0]) {
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codeeditor.on('change', function() {
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codeeditor.save();
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set_saved(false);
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});
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}
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$.merge(input_title, input_tags).on('input', function() {
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set_saved(false);
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});
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$('#a-' + name + '_save').click(function (e) {
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e.preventDefault();
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save({
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done: function () {
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location.reload();
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}
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});
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});
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save_btn.click(function() {
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save();
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});
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preview_btn.click(function() {
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if (preview_btn.hasClass('active')) {
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set_preview_status(0);
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blog_contend_md_editor.find('.blog-content-md-editor-in').slideDown('fast');
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blog_contend_md_editor.find('.blog-content-md-editor-preview').slideUp('fast', function() {
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$(this).remove();
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});
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codeeditor.focus();
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} else {
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save({need_preview: true});
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}
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});
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bold_btn.click(function() {
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add_around("**", "**");
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codeeditor.focus();
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});
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italic_btn.click(function() {
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add_around("*", "*");
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codeeditor.focus();
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});
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input_is_hidden.on('switchChange.bootstrapSwitch', function(e, state) {
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var ok = true;
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if (!state && !confirm("你确定要公开吗？")) {
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ok = false;
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}
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if (!ok) {
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input_is_hidden.bootstrapSwitch('toggleState', true);
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} else {
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input_is_hidden.bootstrapSwitch('readonly', true);
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var succ = true;
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save({
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fail: function() {
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succ = false;
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},
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done: function() {
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input_is_hidden.bootstrapSwitch('readonly', false);
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if (!succ) {
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input_is_hidden.bootstrapSwitch('toggleState', true);
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}
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}
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});
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}
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});
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// init hot keys
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if (input_content_md[0]) {
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codeeditor.setOption("extraKeys", {
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"Ctrl-S": function(cm) {
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save_btn.click();
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},
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"Ctrl-B": function(cm) {
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bold_btn.click();
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},
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"Ctrl-D": function(cm) {
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preview_btn.click();
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},
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"Ctrl-I": function(cm) {
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italic_btn.click();
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}
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});
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}
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$(document).bind('keydown', 'ctrl+d', function() {
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preview_btn.click();
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return false;
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});
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$.merge(input_title, input_tags).bind('keydown', 'ctrl+s', function() {
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save_btn.click();
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return false;
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});
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if (this_form) {
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$(this_form).submit(function() {
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before_window_unload_message = null;
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});
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}
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}
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