var Tree = function (file) {
this.clickedFileNode; //点击目录树中的文件时，将点击的div存储到该变量
this.clickedFolderNode; //点击目录树中的文件夹时，将点击的div存储到该变量
this.file = file;
}
Tree.prototype = {
init: function (rootDirNode) {
var self = this;
this.clickedFolderNode = rootDirNode;
this.file.openFolder(this.clickedFolderNode.title, function (data) {
self.setChildrenNode(data);
});
},
//树中文件夹展开收起的状态变化
transformFolderNodeStatus: function () {
var e = this.clickedFolderNode;
if (e.getAttribute("childrenSum") > 0) {
if (e.getAttribute("state") === "off") {
e.firstElementChild.setAttribute("src", "WebRoot/image/dtri.png");
e.nextElementSibling.style.display = "block";
e.setAttribute("state", "on");
} else {
e.firstElementChild.setAttribute("src", "WebRoot/image/ztri.png");
e.nextElementSibling.style.display = "none";
e.setAttribute("state", "off");
}
}
},
//建立某文件夹下所有子文件夹结点
setChildrenNode: function (data) {
var self = this;
var e = this.clickedFolderNode;
data = JSON.parse(data);
var ul = document.createElement("ul");
for (var j = 0, len = data.files.length; j < len; j++) {
if (data.files[j].directory == true)
ul.appendChild(this.setNode(data.files[j]));
}
for (var j = 0, len = data.files.length; j < len; j++) {
if (data.files[j].directory == false)
ul.appendChild(this.setNode(data.files[j]));
}
e.parentNode.appendChild(ul);
e.firstElementChild.setAttribute("src", "WebRoot/image/dtri.png");
e.nextElementSibling.style.display = "block";
e.setAttribute("state", "on");
e.setAttribute("asked", "yes");
e.setAttribute("state", "on");
if (e.title == ".") {
e.addEventListener("click", function (e) {
self.clickedFolderNode = this;
self.transformFolderNodeStatus();
self.highlightNode(this);
});
this.file.openAddressBarFile(
function (data) {
self.setAddressBarFileNode(data);
});
}
},
//建立具体的某个单个文件（夹）结点
setNode: function (node) {
var self = this;
var li = document.createElement("li");
var div = document.createElement("div");
var img = document.createElement('img');
if (node.directory == true) {
if (node.childrenSum != 0) {
img.setAttribute("src", "WebRoot/image/ztri.png");
} else {
div.style.marginLeft = "16px";
img.setAttribute("src", "");
}
div.setAttribute("asked", "no");
div.appendChild(img);
img = document.createElement('img');
div.setAttribute("state", "off");
img.setAttribute("src", "WebRoot/image/dir.png");
div.setAttribute("childrenSum", node.childrenSum);
div.addEventListener("click", function () {
self.clickedFolderNode = this;
if (this.getAttribute("asked") == "no" && this.getAttribute("childrenSum") != 0)
self.file.openFolder(self.clickedFolderNode.title, function (data) {
self.setChildrenNode(data);
});
else {
self.transformFolderNodeStatus();
}
self.highlightNode(this);
self.showRightClickMenu(this);
});
} else {
div.style.marginLeft = "16px";
img.setAttribute("src", "WebRoot/image/file.png");
div.addEventListener("click", function () {
self.clickedFileNode = this;
self.clickedFolderNode = this.parentNode.parentNode.previousElementSibling;
self.file.openFile(this.title);
showFileContent(this);
self.highlightNode(this);
});
}
div.appendChild(img);
var span = document.createElement("span");
span.innerHTML = node.fileName;
div.setAttribute("title", node.filePath);
div.appendChild(span);
li.appendChild(div);
return li;
},
// 显示右键菜单
showRightClickMenu: function (e1) {
var self = this;
document.oncontextmenu = function () {
return false;
}
e1.oncontextmenu = function () {
if (!document.getElementById("right_click_menu")){
var div = document.createElement("div");
div.setAttribute("id", "right_click_menu");
var li;
li = document.createElement("li");
li.setAttribute("id", "right_click_menu_new_childdir");
li.innerHTML = "新建子目录";
div.appendChild(li);
li = document.createElement("li");
li.setAttribute("id", "right_click_menu_newfile");
li.innerHTML = "新建文件";
div.appendChild(li);
li = document.createElement("li");
li.setAttribute("id", "right_click_menu_deletedir");
li.innerHTML = "删除目录";
div.appendChild(li);
document.body.appendChild(div);
right_click_menu_new_childdir.addEventListener("click", function () {
self.newFileInputNode(this);
});
right_click_menu_newfile.addEventListener("click", function () {
self.newFileInputNode(this);
});
right_click_menu_deletedir.addEventListener("click", function () {
self.file.deleteFolder(self.clickedFolderNode.title, self.deleteFolderNode());
modifyAddressBarAddress(self.clickedFolderNode.parentNode.parentNode.previousElementSibling); ///////
});
}
var e = event || window.event;
document.getElementById("right_click_menu").style.left = e.clientX + "px";
document.getElementById("right_click_menu").style.top = e.clientY + "px";
document.getElementById("right_click_menu").style.display = "block";}
},
//建立新建文件（夹）时的输入框结点
newFileInputNode: function (e) {
var self = this;
if (this.clickedFolderNode.getAttribute("state") == "off")
this.transformFolderNodeStatus();
var right_click_menu = document.getElementById("right_click_menu");
right_click_menu.style.display = "none";
var li = document.createElement("li");
li.setAttribute("id", "temp_li");
var input = document.createElement("input");
input.setAttribute("id", "temp_input");
var cancel_button = document.createElement("button");
cancel_button.setAttribute("id", "cancel_button");
cancel_button.innerHTML = "取消";
var ensure_button = document.createElement("button");
ensure_button.setAttribute("id", "ensure_button");
ensure_button.innerHTML = "确定";
li.appendChild(input);
li.appendChild(ensure_button);
li.appendChild(cancel_button);
cancel_button.addEventListener("click", function () {
this.parentNode.parentNode.removeChild(this.parentNode);
});
if (this.clickedFolderNode.getAttribute("childrenSum") != 0) {
if (e.id == "right_click_menu_new_childdir") {
ensure_button.addEventListener("click", function () {
self.file.newFolder(temp_input.value, self.clickedFolderNode.title, function (data) {
self.newFolderNode(data);
});
});
this.clickedFolderNode.nextElementSibling.insertBefore(li, this.clickedFolderNode.nextElementSibling.firstElementChild);
} else {
this.clickedFolderNode.nextElementSibling.appendChild(li);
ensure_button.addEventListener("click", function () {
var newFile = document.getElementById("temp_input").value;
if (newFile.indexOf(".") == -1) {
newFile = newFile + '.txt';
}
self.file.newFile(newFile, self.clickedFolderNode.title,
function (data) {
tree.newFileNode(data);
});
});
}
} else {
var ul = document.createElement("ul");
ul.appendChild(li);
this.clickedFolderNode.parentNode.appendChild(ul);
if (e.id == "right_click_menu_new_childdir") {
ensure_button.setAttribute("aim", "newdir");
ensure_button.addEventListener("click", function () {
self.file.newFolder(temp_input.value, self.clickedFolderNode.title, function (data) {
self.newFolderNode(data);
});
});
} else {
ensure_button.setAttribute("aim", "newfile");
ensure_button.addEventListener("click", function () {
var newFile = document.getElementById("temp_input").value;
if (newFile.indexOf(".") == -1) {
newFile = newFile + '.txt';
}
self.file.newFile(newFile, self.clickedFolderNode.title,
function (data) {
self.newFileNode(data);
});
});
}
}
},
//新建文件夹结点
newFolderNode: function (data) {
var newChildDir = temp_input.value;
data = JSON.parse(data);
if (data.msg === true) {
temp_li.parentNode.removeChild(temp_li);
alert("成功新建文件夹：" + newChildDir);
var li = this.setNode({
directory: true,
fileName: newChildDir,
filePath: this.clickedFolderNode.getAttribute("title") + "\\" + newChildDir,
childrenSum: 0
});
this.clickedFolderNode.firstElementChild.src = "WebRoot/image/dtri.png";
this.clickedFolderNode.style.marginLeft = "";
this.clickedFolderNode.setAttribute("asked", "yes");
this.clickedFolderNode.setAttribute("childrenSum",Number( this.clickedFolderNode.getAttribute("childrenSum") )+ 1);
this.clickedFolderNode.nextElementSibling.insertBefore(li, this.clickedFolderNode.nextElementSibling.firstElementChild);
} else {
alert("新建文件夹失败：文件夹名重复，无效或者太长");
}
},
//新建文件结点
newFileNode: function (data) {
var newFile = document.getElementById("temp_input").value;
if (newFile.indexOf(".") == -1) {
newFile = newFile + '.txt';
}
data = JSON.parse(data);
if (data.msg === true) {
temp_li.parentNode.removeChild(temp_li);
alert("成功新建文件：" + newFile);
var li = this.setNode({
directory: false,
fileName: newFile,
filePath: this.clickedFolderNode.getAttribute("title") + "\\" + newFile,
childrenSum: 0
});
this.clickedFolderNode.firstElementChild.src = "WebRoot/image/dtri.png";
this.clickedFolderNode.style.marginLeft = "";
this.clickedFolderNode.setAttribute("asked", "yes");
this.clickedFolderNode.setAttribute("childrenSum", Number(this.clickedFolderNode.getAttribute("childrenSum") )+ 1);
this.clickedFolderNode.nextElementSibling.appendChild(li);
} else {
alert("新建文件失败：文件名重复，无效或者太长");
}
},
//建立上传文件之后的结点
setUploadFileNode: function (data) {
if (this.clickedFolderNode.getAttribute("state") == "off")
this.transformFolderNodeStatus(this.clickedFolderNode);
data = JSON.parse(data);
if (data.msg == true) {
alert("上传文件成功！");
var li = this.setNode({
directory: false,
fileName: data.fileName,
filePath: this.clickedFolderNode.getAttribute("title") + "\\" + data.fileName,
childrenSum: 0
});
this.clickedFolderNode.setAttribute("state", "on");
this.clickedFolderNode.firstElementChild.src = "WebRoot/image/dtri.png";
this.clickedFolderNode.style.marginLeft = "";
if (!this.clickedFolderNode.nextElementSibling) {
var ul = document.createElement("ul");
this.clickedFolderNode.parentNode.appendChild(ul);
}
this.clickedFolderNode.nextElementSibling.appendChild(li);
this.clickedFolderNode.setAttribute("childrenSum", Number(this.clickedFolderNode.getAttribute("childrenSum")) + 1);
this.clickedFileNode = li.firstElementChild;
this.file.openFile(this.clickedFileNode.title);
showFileContent(this.clickedFileNode);
this.highlightNode(this.clickedFileNode);
} else
alert("重复！请重命名文件名");
},
//删除文件夹结点
deleteFolderNode: function () {
var self = this;
return function () {
var parentDir = self.clickedFolderNode.parentNode.parentNode.previousElementSibling;
parentDir.style.background = "#6699FF";
parentDir.setAttribute("childrenSum", parentDir.getAttribute("childrenSum") - 1);
if (parentDir.getAttribute("childrenSum") == 0) {
parentDir.firstElementChild.src = "";
parentDir.style.marginLeft = "16px";
}
self.clickedFolderNode.parentNode.parentNode.removeChild(self.clickedFolderNode.parentNode);
alert("成功删除文件夹：" + self.clickedFolderNode.getAttribute("title"));
};
},
//删除文件结点
deleteFileNode: function (data) {
var delete_file = this.clickedFileNode.getAttribute("title");
data = JSON.parse(data);
if (data.msg == true) {
var tools = document.getElementById("tools");
tools.style.display = "none";
var show_img_div = document.getElementById("show_img_div");
show_img_div.style.display = "none";
var show_text = document.getElementById("show_text");
show_text.style.display = "none";
var welcome_div = document.getElementById("welcome_div");
welcome_div.innerHTML = "欢迎访问赛思文件管理系统";
welcome_div.style.display = "block";
var fileparentdiv = this.clickedFileNode.parentNode.parentNode.previousElementSibling;
fileparentdiv.setAttribute("childrenSum", fileparentdiv.getAttribute("childrenSum") - 1);
if (fileparentdiv.getAttribute("childrenSum") == 0) {
fileparentdiv.firstElementChild.src = "";
fileparentdiv.style.marginLeft = "16px";
}
this.clickedFileNode.parentNode.parentNode.removeChild(this.clickedFileNode.parentNode);
alert("成功删除文件：" + delete_file);
this.highlightNode(fileparentdiv);
modifyAddressBarAddress(fileparentdiv);
}
},
//高亮被点击的结点
highlightNode: function (e) {
document.getElementById("rootDirNode").style.background = "";
var div = result.getElementsByTagName("div");
for (var i = 0; i < div.length; i++)
div[i].style.background = "";
e.style.background = "#6699FF";
},
//建立地址栏上文件在树中的结点
setAddressBarFileNode: function (data) {
data = JSON.parse(data);
var result = document.getElementById("result");
for (var i = data.dirs.length - 1; i >= 0; i--) {
var div = result.getElementsByTagName("div");
for (var j = 0; j < div.length; j++) {
if (div[j].getAttribute("title") == (data.dirs[i].replace(new RegExp("/", "g"), "\\"))) {
if ((i == 0 && div[j].getAttribute("state")) || i > 0) {
var ul = document.createElement("ul");
div[j].setAttribute("asked", "yes");
div[j].setAttribute("state", "on");
if (div[j].getAttribute("childrenSum") != 0)
div[j].firstElementChild.setAttribute("src", "WebRoot/image/dtri.png");
for (var k = 0; k < data.filess[i].length; k++) {
if (data.filess[i][k].directory === true) {
ul.appendChild(this.setNode(data.filess[i][k]));
}
}
for (var k = 0; k < data.filess[i].length; k++) {
if (data.filess[i][k].directory === false) {
ul.appendChild(this.setNode(data.filess[i][k]));
}
}
div[j].parentNode.appendChild(ul);
} else if (i == 0) {
this.clickedFileNode = div[j];
this.clickedFolderNode = div[j].parentNode.parentNode.previousElementSibling;
this.file.openFile(this.clickedFileNode.title);
showFileContent(this.clickedFileNode);
this.highlightNode(this.clickedFileNode);
}
if (div[j].getAttribute("state")) {
this.highlightNode(div[j]);
this.clickedFolderNode = div[j];
}
result = div[j].nextElementSibling;
}
}
}
}
}
