wide/static/js/editors.js

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var editors = {
data: [],
tabs: {},
init: function () {
editors.tabs = new Tabs({
id: ".edit-panel",
clickAfter: function (id) {
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if (id === 'startPage') {
return false;
}
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// set tree node selected
var node = tree.fileTree.getNodeByTId(id);
tree.fileTree.selectNode(node);
wide.curNode = node;
for (var i = 0, ii = editors.data.length; i < ii; i++) {
if (editors.data[i].id === id) {
wide.curEditor = editors.data[i].editor;
break;
}
}
wide.curEditor.focus();
},
removeAfter: function (id, nextId) {
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if (id === 'startPage') {
return false;
}
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for (var i = 0, ii = editors.data.length; i < ii; i++) {
if (editors.data[i].id === id) {
wide.fmt(tree.fileTree.getNodeByTId(editors.data[i].id).path, editors.data[i].editor);
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editors.data.splice(i, 1);
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break;
}
}
if (!nextId) {
// 不存在打开的编辑器
// remove selected tree node
tree.fileTree.cancelSelectedNode();
wide.curNode = undefined;
wide.curEditor = undefined;
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menu.disabled(['save-all', 'close-all', 'run', 'go-get', 'go-install']);
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$(".toolbars").hide();
return false;
}
if (nextId === editors.tabs.getCurrentId()) {
return false;
}
// set tree node selected
var node = tree.fileTree.getNodeByTId(nextId);
tree.fileTree.selectNode(node);
wide.curNode = node;
for (var i = 0, ii = editors.data.length; i < ii; i++) {
if (editors.data[i].id === nextId) {
wide.curEditor = editors.data[i].editor;
break;
}
}
}
});
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$(".edit-panel .tabs").on("dblclick", function () {
if ($(".toolbars .ico-max").length === 1) {
windows.maxEditor();
} else {
windows.restoreEditor();
}
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});
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this._initCodeMirrorHotKeys();
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this.openStartPage()
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},
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openStartPage: function () {
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editors.tabs.add({
id: "startPage",
title: '<span title="' + config.label.initialise + '">' + config.label.initialise + '</span>',
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content: '<div id="startPage"></div>',
after: function () {
$("#startPage").load('/start');
$.ajax({
url: "http://symphony.b3log.org/apis/articles?tags=wide,golang&p=1&size=30",
type: "GET",
dataType: "jsonp",
jsonp: "callback",
error: function () {
$("#startPage").html("Loading B3log Announcement failed :-(");
},
success: function (data, textStatus) {
var articles = data.articles;
if (0 === articles.length) {
return;
}
// 按 size = 30 取,但只保留最多 10 篇
var length = articles.length;
if (length > 10) {
length = 10;
}
var listHTML = "<ul>";
for (var i = 0; i < length; i++) {
var article = articles[i];
var articleLiHtml = "<li>"
+ "<a target='_blank' href='http://symphony.b3log.org" + article.articlePermalink + "'>"
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+ article.articleTitle + "</a>&nbsp; <span class='date'>" + new Date(article.articleCreateTime);
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+"</span></li>"
listHTML += articleLiHtml;
}
listHTML += "</ul>";
$("#startPage .news").html(listHTML);
}
});
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}
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});
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},
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getCurrentId: function () {
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var currentId = editors.tabs.getCurrentId();
if (currentId === 'startPage') {
currentId = null;
}
return currentId;
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},
getCurrentPath: function () {
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var currentPath = $(".edit-panel .tabs .current span:eq(0)").attr("title");
if (currentPath === config.label.initialise) {
currentPath = null;
}
return currentPath;
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},
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_initCodeMirrorHotKeys: function () {
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CodeMirror.registerHelper("hint", "go", function (editor) {
var word = /[\w$]+/;
var cur = editor.getCursor(), curLine = editor.getLine(cur.line);
var start = cur.ch, end = start;
while (end < curLine.length && word.test(curLine.charAt(end))) {
++end;
}
while (start && word.test(curLine.charAt(start - 1))) {
--start;
}
var request = newWideRequest();
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request.path = $(".edit-panel .tabs .current > span:eq(0)").attr("title");
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request.code = editor.getValue();
request.cursorLine = cur.line;
request.cursorCh = cur.ch;
var autocompleteHints = [];
$.ajax({
async: false, // 同步执行
type: 'POST',
url: '/autocomplete',
data: JSON.stringify(request),
dataType: "json",
success: function (data) {
var autocompleteArray = data[1];
if (autocompleteArray) {
for (var i = 0; i < autocompleteArray.length; i++) {
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var displayText = '';
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switch (autocompleteArray[i].class) {
case "type":
case "const":
case "var":
case "package":
displayText = '<span class="fn-clear">'// + autocompleteArray[i].class
+ '<b class="fn-left">' + autocompleteArray[i].name + '</b> '
+ autocompleteArray[i].type + '</span>';
break;
case "func":
displayText = '<span>'// + autocompleteArray[i].class
+ '<b>' + autocompleteArray[i].name + '</b>'
+ autocompleteArray[i].type.substring(4) + '</span>';
break;
default:
console.warn("Can't handle autocomplete [" + autocompleteArray[i].class + "]");
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break;
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}
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autocompleteHints[i] = {
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displayText: displayText,
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text: autocompleteArray[i].name
};
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}
}
}
});
return {list: autocompleteHints, from: CodeMirror.Pos(cur.line, start), to: CodeMirror.Pos(cur.line, end)};
});
CodeMirror.commands.autocompleteAfterDot = function (cm) {
setTimeout(function () {
if (!cm.state.completionActive) {
cm.showHint({hint: CodeMirror.hint.go, completeSingle: false});
}
}, 50);
return CodeMirror.Pass;
};
CodeMirror.commands.autocompleteAnyWord = function (cm) {
cm.showHint({hint: CodeMirror.hint.auto});
};
CodeMirror.commands.gotoLine = function (cm) {
$("#dialogGoLinePrompt").dialog("open");
};
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// 用于覆盖 cm 默认绑定的某些快捷键功能.
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CodeMirror.commands.doNothing = function (cm) {
};
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CodeMirror.commands.exprInfo = function (cm) {
var cur = wide.curEditor.getCursor();
var request = newWideRequest();
request.path = $(".edit-panel .tabs .current > span:eq(0)").attr("title");
request.code = wide.curEditor.getValue();
request.cursorLine = cur.line;
request.cursorCh = cur.ch;
$.ajax({
type: 'POST',
url: '/exprinfo',
data: JSON.stringify(request),
dataType: "json",
success: function (data) {
if (!data.succ) {
return;
}
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var position = wide.curEditor.cursorCoords();
$("body").append('<div style="top:'
+ (position.top + 15) + 'px;left:' + position.left
+ 'px" class="edit-exprinfo">' + data.info + '</div>');
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}
});
};
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CodeMirror.commands.jumpToDecl = function (cm) {
var cur = wide.curEditor.getCursor();
var request = newWideRequest();
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request.path = $(".edit-panel .tabs .current > span:eq(0)").attr("title");
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request.code = wide.curEditor.getValue();
request.cursorLine = cur.line;
request.cursorCh = cur.ch;
$.ajax({
type: 'POST',
url: '/find/decl',
data: JSON.stringify(request),
dataType: "json",
success: function (data) {
if (!data.succ) {
return;
}
var cursorLine = data.cursorLine;
var cursorCh = data.cursorCh;
var request = newWideRequest();
request.path = data.path;
$.ajax({
type: 'POST',
url: '/file',
data: JSON.stringify(request),
dataType: "json",
success: function (data) {
if (!data.succ) {
$("#dialogAlert").dialog("open", data.msg);
return false;
}
var tId = tree.getTIdByPath(data.path);
wide.curNode = tree.fileTree.getNodeByTId(tId);
tree.fileTree.selectNode(wide.curNode);
data.cursorLine = cursorLine;
data.cursorCh = cursorCh;
editors.newEditor(data);
}
});
}
});
};
CodeMirror.commands.findUsages = function (cm) {
var cur = wide.curEditor.getCursor();
var request = newWideRequest();
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request.path = $(".edit-panel .tabs .current > span:eq(0)").attr("title");
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request.code = wide.curEditor.getValue();
request.cursorLine = cur.line;
request.cursorCh = cur.ch;
$.ajax({
type: 'POST',
url: '/find/usages',
data: JSON.stringify(request),
dataType: "json",
success: function (data) {
if (!data.succ) {
return;
}
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editors.appendSearch(data.founds, 'usages', '');
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}
});
};
},
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appendSearch: function (data, type, key) {
var searcHTML = '<ul>';
for (var i = 0, ii = data.length; i < ii; i++) {
var contents = data[i].contents[0],
index = contents.indexOf(key);
contents = contents.substring(0, index)
+ '<b>' + key + '</b>'
+ contents.substring(index + key.length);
searcHTML += '<li title="' + data[i].path + '">'
+ contents + "&nbsp;&nbsp;&nbsp;&nbsp;<span class='path'>" + data[i].path
+ '<i class="position" data-line="'
+ data[i].line + '" data-ch="' + data[i].ch + '"> (' + data[i].line + ':'
+ data[i].ch + ')</i></span></li>';
}
searcHTML += '</ul>';
var $search = $('.bottom-window-group .search'),
title = config.label.usages;
if (type === "founds") {
title = config.label.search_text;
}
if ($search.find("ul").length === 0) {
wide.searchTab = new Tabs({
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id: ".bottom-window-group .search",
removeAfter: function (id, prevId) {
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if ($search.find("ul").length === 1) {
$search.find(".tabs").hide();
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}
}
});
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$search.on("click", "li", function () {
$search.find("li").removeClass("selected");
$(this).addClass("selected");
});
$search.on("dblclick", "li", function () {
var $it = $(this),
tId = tree.getTIdByPath($it.attr("title"));
tree.openFile(tree.fileTree.getNodeByTId(tId));
tree.fileTree.selectNode(wide.curNode);
var cursor = CodeMirror.Pos($it.find(".position").data("line") - 1, $it.find(".position").data("ch") - 1);
wide.curEditor.setCursor(cursor);
wide.curEditor.focus();
});
$search.find(".tabs-panel > div").append(searcHTML);
$search.find(".tabs .first").text(title);
} else {
$search.find(".tabs").show();
wide.searchTab.add({
"id": "search" + (new Date()).getTime(),
"title": title,
"content": searcHTML
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});
}
// focus
wide.bottomWindowTab.setCurrent("search");
windows.flowBottom();
$(".bottom-window-group .search").focus();
},
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// 新建一个编辑器 Tab如果已经存在 Tab 则切换到该 Tab.
newEditor: function (data) {
$(".toolbars").show();
var id = wide.curNode.tId;
// 光标位置
var cursor = CodeMirror.Pos(0, 0);
if (data.cursorLine && data.cursorCh) {
cursor = CodeMirror.Pos(data.cursorLine - 1, data.cursorCh - 1);
}
for (var i = 0, ii = editors.data.length; i < ii; i++) {
if (editors.data[i].id === id) {
editors.tabs.setCurrent(id);
wide.curEditor = editors.data[i].editor;
wide.curEditor.setCursor(cursor);
wide.curEditor.focus();
return false;
}
}
editors.tabs.add({
id: id,
title: '<span title="' + wide.curNode.path + '"><span class="'
+ wide.curNode.iconSkin + 'ico"></span>' + wide.curNode.name + '</span>',
content: '<textarea id="editor' + id + '"></textarea>'
});
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menu.undisabled(['save-all', 'close-all', 'run', 'go-get', 'go-install']);
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var rulers = [];
rulers.push({color: "#ccc", column: 120, lineStyle: "dashed"});
var editor = CodeMirror.fromTextArea(document.getElementById("editor" + id), {
lineNumbers: true,
autofocus: true,
autoCloseBrackets: true,
matchBrackets: true,
highlightSelectionMatches: {showToken: /\w/},
rulers: rulers,
styleActiveLine: true,
theme: 'lesser-dark',
indentUnit: 4,
foldGutter: true,
extraKeys: {
"Ctrl-\\": "autocompleteAnyWord",
".": "autocompleteAfterDot",
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"Ctrl-I": "exprInfo",
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"Ctrl-G": "gotoLine",
"Ctrl-E": "deleteLine",
"Ctrl-D": "doNothing", // 取消默认的 deleteLine
"Ctrl-B": "jumpToDecl",
"Ctrl-S": function () {
wide.saveFile();
},
"Shift-Ctrl-S": function () {
wide.saveAllFiles();
},
"Shift-Alt-F": function () {
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var currentPath = editors.getCurrentPath();
if (!currentPath) {
return false;
}
wide.fmt(currentPath, wide.curEditor);
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},
"Alt-F7": "findUsages"
}
});
editor.on('cursorActivity', function (cm) {
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$(".edit-exprinfo").remove();
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var cursor = cm.getCursor();
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$(".footer .cursor").text('| ' + (cursor.line + 1) + ':' + (cursor.ch + 1) + ' |');
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// TODO: 关闭 tab 的时候要重置
});
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editor.on('focus', function (cm) {
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windows.clearFloat();
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});
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editor.on('blur', function (cm) {
$(".edit-exprinfo").remove();
});
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editor.setSize('100%', $(".edit-panel").height() - $(".edit-panel .tabs").height());
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editor.setValue(data.content);
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editor.setOption("mode", data.mode);
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editor.setOption("gutters", ["CodeMirror-lint-markers", "CodeMirror-foldgutter"]);
if ("text/x-go" === data.mode || "application/json" === data.mode) {
editor.setOption("lint", true);
}
if ("application/xml" === data.mode || "text/html" === data.mode) {
editor.setOption("autoCloseTags", true);
}
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editor.setCursor(cursor);
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wide.curEditor = editor;
editors.data.push({
"editor": editor,
"id": id
});
}
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};