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FileBrowser.js
File metadata and controls
798 lines (634 loc) · 22.8 KB
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if(!javaxt) var javaxt={};
if(!javaxt.express) javaxt.express={};
//******************************************************************************
//** FileBrowser
//******************************************************************************
/**
* Window used to browse files and directories on a server
*
******************************************************************************/
javaxt.express.FileBrowser = function(parent, config) {
this.className = "javaxt.express.FileBrowser";
var me = this;
var defaultConfig = {
//Service config
fileService: "files/",
pageSize: 300,
foldersOnly: false,
//Window config
title: null,
width: 600,
height: 450,
modal: true,
closable: true,
footer: null,
//Column config
columns: [
{ header: "Name", field: "name", width: "100%", sortable: true },
{ header: "Date", field: "date", width: "135px", align: "left", sortable: true },
{ header: "Type", field: "type", width: "100px", sortable: true },
{ header: "Size", field: "size", width: "80px", align: "right", sortable: true }
],
//Style config
style:{
/** Style for the window control used to hold this panel. This config
* is only valid when parent = document.body. See style config in
* the javaxt.dhtml.Window class for options.
*/
window: {
panel: "window",
header: "window-header",
button: "window-header-button",
title: "window-title",
body: {
padding: "0px",
verticalAlign: "top"
}
},
/** Style for the toolbar.
*/
toolbar: {
panel: "panel-toolbar",
/** Style for individual buttons in the toolbar. See style config
* in the javaxt.dhtml.Button class for options.
*/
button: {}, //javaxt.dhtml.style.default.toolbarButton
/** Icons styles used for individual buttons
*/
icons: {
back: "backIcon",
forward: "nextIcon",
up: "upIcon",
refresh: "refreshIcon"
},
/** Style of the location/address input in the toolbar
*/
path: "form-input",
pathItem: ""
},
/** Style for the table/grid control used to render files and folders.
* See style config in the javaxt.dhtml.DataGrid class for options.
*/
table: {}, //javaxt.dhtml.style.default.table
/** Style for the folder metadata that appears below the table.
*/
info: {
height: "20px"
},
//Left panel style
leftPanel: {
background: "#272a31",
borderRight: "1px solid #383b41"
},
tree: {
padding: "7px 0 7px 0px",
backgroundColor: "",
li: "tree-node"
},
//Center panel style
centerPanel: {
width: "100%",
height: "100%"
}
},
renderers: {
iconRenderer: null,
nameRenderer: null,
dateRenderer: null,
typeRenderer: null,
sizeRenderer: null
}
};
var win, grid, addressBar, waitmask;
var button = {};
var params = {};
var history = [];
var currDir;
var pathSeparator = "\\"; //updated dynamically using response from fileService
var totalCount = 0;
var totalSize = 0;
//**************************************************************************
//** Constructor
//**************************************************************************
var init = function(){
if (typeof parent === "string"){
parent = document.getElementById(parent);
}
if (!parent) return;
//Clone the config so we don't modify the original config object
config = clone(config);
//Merge clone with default config
config = merge(config, defaultConfig);
//Update parent as needed
if (parent===document.body){
//Create window
win = new javaxt.dhtml.Window(parent, {
title: config.title,
width: config.width,
height: config.height,
modal: config.modal,
closable: config.closable,
footer: config.footer,
style: config.style.window
});
parent = win.getBody();
//Copy window methods to this class
for (var m in win) {
if (typeof win[m] == "function") {
if (me[m]==null) me[m] = win[m];
}
}
}
//Create panel
var panel = new javaxt.dhtml.Panel(parent, {
className: "javaxt-file-browser",
style: {
toolbar: config.style.toolbar.panel
}
});
me.el = panel.el;
addShowHide(me);
createNavbar(panel.getToolbar());
createGrid(panel.getBody());
waitmask = new javaxt.express.WaitMask(me.el);
};
//**************************************************************************
//** clear
//**************************************************************************
this.clear = function(){
grid.clear();
addressBar.clear();
history = [];
Object.keys(params).forEach((key)=>{
delete params[key];
});
Object.values(button).forEach((button)=>{
button.disable();
});
totalCount = 0;
totalSize = 0;
};
//**************************************************************************
//** refresh
//**************************************************************************
this.refresh = function(){
grid.refresh();
};
//**************************************************************************
//** setSort
//**************************************************************************
this.setSort = function(col,dir){
var filter = grid.getFilter();
if (!col) delete filter.orderby;
else{
if (!dir) dir = "";
filter.orderby = col + " " + dir;
}
grid.setFilter(filter);
};
//**************************************************************************
//** setDirectory
//**************************************************************************
/** Used to set the current directory and update the view
*/
this.setDirectory = function(path){
grid.clear();
if (path==null) path = "";
else path = path.trim();
if (path.length==0) {
button.up.disable();
}
else{
button.up.enable();
}
params.path = path;
params.hidden = false;
params.foldersOnly = config.foldersOnly;
grid.load();
history.push(path);
addressBar.update(path);
};
//**************************************************************************
//** getDirectory
//**************************************************************************
this.getDirectory = function(){
var path = params.path;
if (path && path.length>0){
var s = "/";
if (path.indexOf("\\")>-1) s = "\\";
if (path.substring(path.length-1)!=s) path+=s;
}
return path;
};
//**************************************************************************
//** onDirectoryChange
//**************************************************************************
this.onDirectoryChange = function(dir){};
//**************************************************************************
//** onClick
//**************************************************************************
this.onClick = function(item, path, row, e){};
//**************************************************************************
//** onDoubleClick
//**************************************************************************
this.onDoubleClick = function(item, path, row, e){};
//**************************************************************************
//** onSelectionChange
//**************************************************************************
this.onSelectionChange = function(){};
//**************************************************************************
//** getSelectedItems
//**************************************************************************
this.getSelectedItems = function(){
var arr = grid.getSelectedRecords();
for (var i=0; i<arr.length; i++){
arr[i] = parseRecord(arr[i]);
}
return arr;
};
//**************************************************************************
//** getGrid
//**************************************************************************
this.getGrid = function(){
return grid;
};
//**************************************************************************
//** createNavbar
//**************************************************************************
var createNavbar = function(parent){
var td = parent;
td.style.display = "flex";
td.style.flexDirection = "row";
td.style.alignItems = "center";
//Back button
var backButton = createButton(td, {
label: "",
icon: config.style.toolbar.icons.back,
disabled: true
});
backButton.onClick = function(){
};
//Forward button
var forwardButton = createButton(td, {
label: "",
icon: config.style.toolbar.icons.forward,
disabled: true
});
forwardButton.onClick = function(){
};
//Up button
var upButton = createButton(td, {
label: "",
icon: config.style.toolbar.icons.up,
disabled: true
});
upButton.onClick = function(){
if (!currDir) return;
if (currDir.length===0) return;
var str = getPath(currDir, true);
var idx = str.lastIndexOf("/");
var path = currDir.substring(0, idx+1);
if (getPath(path).indexOf("/")>-1){
me.setDirectory(path);
}
else{
me.setDirectory("");
}
};
button.up = upButton;
//Address bar
var div = createElement("div", td, config.style.toolbar.path);
div.style.position = "relative";
div.style.width = "100%";
var outerDiv = createElement("div", div, {
position: "absolute",
width: "100%",
height: "100%",
overflow: "hidden",
whiteSpace: "nowrap",
top: 0,
left: 0
});
var innerDiv = createElement("div", outerDiv, {
position: "absolute",
width: "100%",
height: "100%",
overflow: "hidden",
whiteSpace: "nowrap",
top: "-2px", //assumes input has 1px border
left: 0
});
addressBar = {
clear: function(){
innerDiv.innerHTML = "";
},
update: function(path){
innerDiv.innerHTML = "";
path = getPath(path, true);
if (path.length==0) return;
var arr = path.split("/");
for (var i=0; i<arr.length; i++){
var div = createElement("div", innerDiv);
setStyle(div, config.style.toolbar.pathItem);
div.style.display = "inline-block";
div.innerHTML = arr[i] + pathSeparator;
outerDiv.scrollLeft = innerDiv.clientWidth;
div.onclick = function(){
var path = "";
for (var i=0; i<innerDiv.childNodes.length; i++){
var div = innerDiv.childNodes[i];
path+=div.innerHTML;
if (div==this) break;
}
if (path!=getPath(currDir, true)){
me.setDirectory(path);
}
};
}
}
};
//Refresh button
var refreshButton = createButton(td, {
label: "",
icon: config.style.toolbar.icons.refresh,
disabled: false
});
refreshButton.onClick = function(){
grid.refresh();
};
};
//**************************************************************************
//** createGrid
//**************************************************************************
var createGrid = function(parent){
var table = createTable(parent);
var td;
//Create grid
td = table.addRow().addColumn();
setStyle(td, config.style.centerPanel);
grid = new javaxt.dhtml.DataGrid(td, {
columns: config.columns,
style: config.style.table,
url: config.fileService,
limit: config.pageSize,
params: params,
post: true,
parseResponse: function(request){
var data = JSON.parse(request.responseText);
currDir = data.dir;
me.onDirectoryChange(me.getDirectory());
pathSeparator = data.pathSeparator;
totalCount = data.count;
totalSize = data.size;
return data.items;
},
update: function(row, record){
var item = parseRecord(record);
row.set("Name", getItem(item));
row.set("Date", getDate(item));
row.set("Type", getType(item));
row.set("Size", getSize(item));
}
});
//Create footer
td = table.addRow().addColumn();
setStyle(td, config.style.info);
var info = createElement("div", td, {
position: "relative",
height: "100%"
});
info = createElement("div", info, {
position: "absolute"
});
var countInfo = createElement("div", info);
countInfo.style.display = "inline-block";
var sizeInfo = createElement("div", info);
sizeInfo.style.display = "inline-block";
sizeInfo.style.marginLeft = "7px";
var clear = grid.clear;
grid.clear = function(){
countInfo.innerHTML = "";
sizeInfo.innerHTML = "";
clear();
};
grid.beforeLoad = function(page){
waitmask.show(500);
//me.onSelectionChange();
countInfo.innerHTML = "";
sizeInfo.innerHTML = "";
};
grid.onLoad = function(){
waitmask.hide();
countInfo.innerHTML = totalCount + " items";
if (totalSize>0) sizeInfo.innerHTML = formatSize(totalSize);
};
grid.onError = function(req){
waitmask.hide();
alert(req);
};
grid.onSelectionChange = function(){
me.onSelectionChange();
};
grid.onRowClick = function(row, e){
var item = parseRecord(row.record);
var path;
if (currDir) path = currDir + item.name;
else path = item.name;
if (e.detail===2){ //double click event
me.onDoubleClick(item, path, row, e);
}
else{
me.onClick(item, path, row, e);
}
};
};
//**************************************************************************
//** parseRecord
//**************************************************************************
var parseRecord = function(record){
return {
name : record[0],
type : record[1],
date : new Date(record[2]),
size : record[3]
};
};
//**************************************************************************
//** getName
//**************************************************************************
var getName = function(item){
return render(item, 'name', function(){
return item.name;
});
};
//**************************************************************************
//** getIcon
//**************************************************************************
var getIcon = function(item){
return render(item, 'icon', function(){
return null;
});
};
//**************************************************************************
//** getItem
//**************************************************************************
var getItem = function(item){
var name = getName(item);
var icon = getIcon(item);
if (icon){
var outerDiv = createElement("div");
var div = createElement("div", outerDiv);
div.style.display = "inline-block";
setContent(icon, div);
var div = createElement("div", outerDiv);
div.style.display = "inline-block";
setContent(name, div);
return outerDiv;
}
else{
return name;
}
};
//**************************************************************************
//** setContent
//**************************************************************************
var setContent = function(content, el){
if (content==null || typeof content === "undefined"){
el.innerHTML = "";
}
else{
if (typeof content === "string" || !isNaN(parseFloat(content))){
el.innerHTML = content;
}
else{
el.innerHTML = "";
try{
el.appendChild(content);
}
catch(e){
}
}
}
};
//**************************************************************************
//** getDate
//**************************************************************************
var getDate = function(item){
return render(item, 'date', function(){
var date = item.date;
if (item.type=="Drive"){
return "";
}
else{
return formatDate(date);
}
});
};
//**************************************************************************
//** getItemSize
//**************************************************************************
var getSize = function(item){
return render(item, 'size', function(){
var size = item.size;
if (item.type=="Folder" || item.type=="Drive"){
return "";
}
else{
return formatSize(size);
}
});
};
//**************************************************************************
//** getItemType
//**************************************************************************
var getType = function(item){
return render(item, 'type', function(){
return item.type;
});
};
//**************************************************************************
//** formatSize
//**************************************************************************
var formatSize = function(size){
if (size>0){
size = size/1024;
if (size<=1) size = "1 KB";
else{
size = size/1024;
if (size<=1) size = "1 MB";
else{
size = Math.round(size) + " MB";
}
}
}
return size;
};
//**************************************************************************
//** formatDate
//**************************************************************************
var formatDate = function(date){
var hour = date.getHours();
if (hour==0) hour = 12;
else{
if (hour>12) hour=hour-12;
}
var m = (date.getHours()<12) ? "AM" : "PM";
var minutes = date.getMinutes();
if (minutes<10) minutes = "0"+minutes;
return (date.getMonth()+1) + "/" + date.getDate() + "/" + date.getFullYear() +
" " + hour + ":" + minutes + " " + m;
};
//**************************************************************************
//** createThumbnails
//**************************************************************************
var createThumbnails = function(parent){
};
//**************************************************************************
//** getPath
//**************************************************************************
/** Used to normalize a file path, replacing backslashes with forward
* slashes
*/
var getPath = function(str, trim){
str = str.replace(/\\/g, '/');
if (trim===true){
if (str.substring(str.length-1)==="/"){
str = str.substring(0, str.length-1);
}
}
return str;
};
//**************************************************************************
//** render
//**************************************************************************
var render = function(item, renderer, fn){
var key = renderer + "Renderer";
if (config.renderers[key]) return config.renderers[key](item);
else return fn.call();
};
//**************************************************************************
//** createButton
//**************************************************************************
var createButton = function(toolbar, btn){
btn.style = JSON.parse(JSON.stringify(config.style.toolbar.button));
if (btn.icon){
btn.style.icon = "toolbar-button-icon " + btn.icon;
delete btn.icon;
}
return new javaxt.dhtml.Button(toolbar, btn);
};
//**************************************************************************
//** Utilites
//**************************************************************************
/** Common functions found in Utils.js
*/
var post = javaxt.dhtml.utils.post;
var del = javaxt.dhtml.utils.delete;
var clone = javaxt.dhtml.utils.clone;
var merge = javaxt.dhtml.utils.merge;
var setStyle = javaxt.dhtml.utils.setStyle;
var createElement = javaxt.dhtml.utils.createElement;
var createTable = javaxt.dhtml.utils.createTable;
var addShowHide = javaxt.dhtml.utils.addShowHide;
init();
};