##// END OF EJS Templates
Drag target bigger for empty notebook dashboard...
Drag target bigger for empty notebook dashboard When no notebooks, show "Notebook list empty", which increase the size of the drag target. fixes #1492

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notebooklist.js
319 lines | 11.2 KiB | application/javascript | JavascriptLexer
//----------------------------------------------------------------------------
// Copyright (C) 2008-2011 The IPython Development Team
//
// Distributed under the terms of the BSD License. The full license is in
// the file COPYING, distributed as part of this software.
//----------------------------------------------------------------------------
//============================================================================
// NotebookList
//============================================================================
var IPython = (function (IPython) {
var NotebookList = function (selector) {
this.selector = selector;
if (this.selector !== undefined) {
this.element = $(selector);
this.style();
this.bind_events();
}
};
NotebookList.prototype.style = function () {
$('#notebook_toolbar').addClass('list_toolbar');
$('#drag_info').addClass('toolbar_info');
$('#notebook_buttons').addClass('toolbar_buttons');
$('div#project_name').addClass('list_header ui-widget ui-widget-header');
$('#refresh_notebook_list').button({
icons : {primary: 'ui-icon-arrowrefresh-1-s'},
text : false
});
};
NotebookList.prototype.bind_events = function () {
if (IPython.read_only){
return;
}
var that = this;
$('#refresh_notebook_list').click(function () {
that.load_list();
});
this.element.bind('dragover', function () {
return false;
});
this.element.bind('drop', function(event){
that.handelFilesUpload(event,'drop');
return false;
});
};
NotebookList.prototype.handelFilesUpload = function(event, dropOrForm) {
var that = this;
var files;
if(dropOrForm =='drop'){
files = event.originalEvent.dataTransfer.files;
} else
{
files = event.originalEvent.target.files
}
for (var i = 0, f; f = files[i]; i++) {
var reader = new FileReader();
reader.readAsText(f);
var fname = f.name.split('.');
var nbname = fname.slice(0,-1).join('.');
var nbformat = fname.slice(-1)[0];
if (nbformat === 'ipynb') {nbformat = 'json';};
if (nbformat === 'py' || nbformat === 'json') {
var item = that.new_notebook_item(0);
that.add_name_input(nbname, item);
item.data('nbformat', nbformat);
// Store the notebook item in the reader so we can use it later
// to know which item it belongs to.
$(reader).data('item', item);
reader.onload = function (event) {
var nbitem = $(event.target).data('item');
that.add_notebook_data(event.target.result, nbitem);
that.add_upload_button(nbitem);
};
};
}
return false;
};
NotebookList.prototype.clear_list = function () {
this.element.children('.list_item').remove();
}
NotebookList.prototype.load_list = function () {
var settings = {
processData : false,
cache : false,
type : "GET",
dataType : "json",
success : $.proxy(this.list_loaded, this)
};
var url = $('body').data('baseProjectUrl') + 'notebooks';
$.ajax(url, settings);
};
NotebookList.prototype.list_loaded = function (data, status, xhr) {
var len = data.length;
this.clear_list();
if(len == 0)
{
$(this.new_notebook_item(0))
.append(
$('<div style="margin:auto;text-align:center;color:grey"/>')
.text('Notebook list empty.')
)
}
for (var i=0; i<len; i++) {
var notebook_id = data[i].notebook_id;
var nbname = data[i].name;
var kernel = data[i].kernel_id;
var item = this.new_notebook_item(i);
this.add_link(notebook_id, nbname, item);
if (!IPython.read_only){
// hide delete buttons when readonly
if(kernel == null){
this.add_delete_button(item);
} else {
this.add_shutdown_button(item,kernel);
}
}
};
};
NotebookList.prototype.new_notebook_item = function (index) {
var item = $('<div/>');
item.addClass('list_item ui-widget ui-widget-content ui-helper-clearfix');
item.css('border-top-style','none');
var item_name = $('<span/>').addClass('item_name');
item.append(item_name);
if (index === -1) {
this.element.append(item);
} else {
this.element.children().eq(index).after(item);
}
return item;
};
NotebookList.prototype.add_link = function (notebook_id, nbname, item) {
item.data('nbname', nbname);
item.data('notebook_id', notebook_id);
var new_item_name = $('<span/>').addClass('item_name');
new_item_name.append(
$('<a/>').
attr('href', $('body').data('baseProjectUrl')+notebook_id).
attr('target','_blank').
text(nbname)
);
var e = item.find('.item_name');
if (e.length === 0) {
item.append(new_item_name);
} else {
e.replaceWith(new_item_name);
};
};
NotebookList.prototype.add_name_input = function (nbname, item) {
item.data('nbname', nbname);
var new_item_name = $('<span/>').addClass('item_name');
new_item_name.append(
$('<input/>').addClass('ui-widget ui-widget-content').
attr('value', nbname).
attr('size', '30').
attr('type', 'text')
);
var e = item.find('.item_name');
if (e.length === 0) {
item.append(new_item_name);
} else {
e.replaceWith(new_item_name);
};
};
NotebookList.prototype.add_notebook_data = function (data, item) {
item.data('nbdata',data);
};
NotebookList.prototype.add_shutdown_button = function (item,kernel) {
var new_buttons = $('<span/>').addClass('item_buttons');
var that = this;
var shutdown_button = $('<button>Shutdown</button>').button().
click(function (e) {
var settings = {
processData : false,
cache : false,
type : "DELETE",
dataType : "json",
success : function (data, status, xhr) {
that.load_list();
}
};
var url = $('body').data('baseProjectUrl') + 'kernels/'+kernel;
$.ajax(url, settings);
});
new_buttons.append(shutdown_button);
var e = item.find('.item_buttons');
if (e.length === 0) {
item.append(new_buttons);
} else {
e.replaceWith(new_buttons);
};
};
NotebookList.prototype.add_delete_button = function (item) {
var new_buttons = $('<span/>').addClass('item_buttons');
var delete_button = $('<button>Delete</button>').button().
click(function (e) {
// $(this) is the button that was clicked.
var that = $(this);
// We use the nbname and notebook_id from the parent notebook_item element's
// data because the outer scopes values change as we iterate through the loop.
var parent_item = that.parents('div.list_item');
var nbname = parent_item.data('nbname');
var notebook_id = parent_item.data('notebook_id');
var dialog = $('<div/>');
dialog.html('Are you sure you want to permanently delete the notebook: ' + nbname + '?');
parent_item.append(dialog);
dialog.dialog({
resizable: false,
modal: true,
title: "Delete notebook",
buttons : {
"Delete": function () {
var settings = {
processData : false,
cache : false,
type : "DELETE",
dataType : "json",
success : function (data, status, xhr) {
parent_item.remove();
}
};
var url = $('body').data('baseProjectUrl') + 'notebooks/' + notebook_id;
$.ajax(url, settings);
$(this).dialog('close');
},
"Cancel": function () {
$(this).dialog('close');
}
}
});
});
new_buttons.append(delete_button);
var e = item.find('.item_buttons');
if (e.length === 0) {
item.append(new_buttons);
} else {
e.replaceWith(new_buttons);
};
};
NotebookList.prototype.add_upload_button = function (item) {
var that = this;
var new_buttons = $('<span/>').addClass('item_buttons');
var upload_button = $('<button>Upload</button>').button().
addClass('upload-button').
click(function (e) {
var nbname = item.find('.item_name > input').attr('value');
var nbformat = item.data('nbformat');
var nbdata = item.data('nbdata');
var content_type = 'text/plain';
if (nbformat === 'json') {
content_type = 'application/json';
} else if (nbformat === 'py') {
content_type = 'application/x-python';
};
var settings = {
processData : false,
cache : false,
type : 'POST',
dataType : 'json',
data : nbdata,
headers : {'Content-Type': content_type},
success : function (data, status, xhr) {
that.add_link(data, nbname, item);
that.add_delete_button(item);
}
};
var qs = $.param({name:nbname, format:nbformat});
var url = $('body').data('baseProjectUrl') + 'notebooks?' + qs;
$.ajax(url, settings);
});
var cancel_button = $('<button>Cancel</button>').button().
click(function (e) {
item.remove();
});
upload_button.addClass('upload_button');
new_buttons.append(upload_button).append(cancel_button);
var e = item.find('.item_buttons');
if (e.length === 0) {
item.append(new_buttons);
} else {
e.replaceWith(new_buttons);
};
};
IPython.NotebookList = NotebookList;
return IPython;
}(IPython));