Stackedit/js/file-manager.js
2013-05-18 14:40:16 +01:00

324 lines
10 KiB
JavaScript

define(["jquery", "core", "synchronizer", "publisher", "sharing", "text!../WELCOME.md", "underscore"],
function($, core, synchronizer, publisher, sharing, welcomeContent) {
var TEMPORARY_FILE_INDEX = "file.tempIndex";
var fileManager = {};
// Defines the current file
var currentFileIndex = localStorage["file.current"];
fileManager.getCurrentFileIndex = function() {
return currentFileIndex;
};
fileManager.isCurrentFileIndex = function(fileIndex) {
return fileIndex == currentFileIndex;
};
fileManager.setCurrentFileIndex = function(fileIndex) {
currentFileIndex = fileIndex;
if(fileIndex === undefined) {
localStorage.removeItem("file.current");
}
else if(fileIndex != TEMPORARY_FILE_INDEX) {
localStorage["file.current"] = fileIndex;
}
};
// Caution: this function recreate the editor (reset undo operations)
var fileDescList = [];
fileManager.selectFile = function(fileIndex) {
// If no file create one
if (localStorage["file.list"].length === 1) {
fileIndex = fileManager.createFile(WELCOME_DOCUMENT_TITLE, welcomeContent);
}
if(fileIndex !== undefined) {
fileManager.setCurrentFileIndex(fileIndex);
}
// Update the file titles
fileManager.updateFileTitles();
synchronizer.refreshManageSync();
publisher.notifyPublish();
// Hide the viewer pencil button
if(fileIndex == TEMPORARY_FILE_INDEX) {
$(".action-edit-document").removeClass("hide");
}
else {
$(".action-edit-document").addClass("hide");
}
// Recreate the editor
fileIndex = fileManager.getCurrentFileIndex();
$("#wmd-input").val(localStorage[fileIndex + ".content"]);
core.createEditor(function() {
// Callback to save content when textarea changes
fileManager.saveFile();
});
};
fileManager.createFile = function(title, content, syncIndexes, isTemporary) {
content = content !== undefined ? content : core.settings.defaultContent;
syncIndexes = syncIndexes || [];
if (!title) {
// Create a file title
title = DEFAULT_FILE_TITLE;
var indicator = 2;
while(_.some(fileDescList, function(fileDesc) {
return fileDesc.title == title;
})) {
title = DEFAULT_FILE_TITLE + indicator++;
}
}
// Generate a unique fileIndex
var fileIndex = TEMPORARY_FILE_INDEX;
if(!isTemporary) {
do {
fileIndex = "file." + core.randomString();
} while(_.has(localStorage, fileIndex + ".title"));
}
// Create the file in the localStorage
localStorage[fileIndex + ".content"] = content;
localStorage[fileIndex + ".title"] = title;
// Store syncIndexes associated to the file
var sync = _.reduce(syncIndexes, function(sync, syncIndex) {
return sync + syncIndex + ";";
}, ";");
localStorage[fileIndex + ".sync"] = sync;
// Store publishIndexes associated to the file
localStorage[fileIndex + ".publish"] = ";";
// Add the index to the file list
if(!isTemporary) {
localStorage["file.list"] += fileIndex + ";";
}
return fileIndex;
};
fileManager.deleteFile = function(fileIndex) {
fileIndex = fileIndex || fileManager.getCurrentFileIndex();
if(fileManager.isCurrentFileIndex(fileIndex)) {
// Unset the current fileIndex
fileManager.setCurrentFileIndex();
}
// Remove synchronized locations
var syncIndexList = _.compact(localStorage[fileIndex + ".sync"].split(";"));
_.each(syncIndexList, function(syncIndex) {
fileManager.removeSync(syncIndex);
});
// Remove publish locations
var publishIndexList = _.compact(localStorage[fileIndex + ".publish"].split(";"));
_.each(publishIndexList, function(publishIndex) {
fileManager.removePublish(publishIndex);
});
// Remove the index from the file list
localStorage["file.list"] = localStorage["file.list"].replace(";"
+ fileIndex + ";", ";");
localStorage.removeItem(fileIndex + ".title");
localStorage.removeItem(fileIndex + ".content");
localStorage.removeItem(fileIndex + ".sync");
localStorage.removeItem(fileIndex + ".publish");
};
// Save current file in localStorage
fileManager.saveFile = function() {
var content = $("#wmd-input").val();
var fileIndex = fileManager.getCurrentFileIndex();
localStorage[fileIndex + ".content"] = content;
synchronizer.notifyChange(fileIndex);
};
fileManager.updateFileTitles = function() {
$("#file-selector").empty();
fileDescList = _.chain(localStorage["file.list"].split(";")).compact()
.reduce(function(fileDescList, fileIndex) {
var title = localStorage[fileIndex + ".title"];
fileDescList.push({ index : fileIndex, title : title });
return fileDescList;
}, [])
.sortBy(function(fileDesc) {
return fileDesc.title.toLowerCase();
}).value();
var fileIndex = fileManager.getCurrentFileIndex();
// If no default file take first one
if (fileIndex === undefined) {
fileIndex = fileDescList[0].index;
fileManager.setCurrentFileIndex(fileIndex);
}
synchronizer.resetSyncFlags();
function composeTitle(fileIndex, refreshSharing) {
var result = [];
var syncAttributesList = synchronizer.getSyncAttributesFromFile(fileIndex);
var publishAttributesList = publisher.getPublishAttributesFromFile(fileIndex);
var attributesList = syncAttributesList.concat(publishAttributesList);
if(refreshSharing === true) {
sharing.refreshDocumentSharing(attributesList);
}
_.chain(attributesList).sortBy(function(attributes) {
return attributes.provider;
}).each(function(attributes) {
result.push('<i class="icon-' + attributes.provider + '"></i>');
});
result.push(" ");
result.push(localStorage[fileIndex + ".title"]);
return result.join("");
}
// Update the file title
var title = localStorage[fileIndex + ".title"];
document.title = "StackEdit - " + title;
$("#file-title").html(composeTitle(fileIndex, true));
$(".file-title").text(title);
$("#file-title-input").val(title);
// Update the file selector
$("#file-selector").empty();
_.each(fileDescList, function(fileDesc) {
var a = $("<a>").html(composeTitle(fileDesc.index));
var li = $("<li>").append(a);
if (fileDesc.index == fileIndex) {
li.addClass("disabled");
} else {
a.prop("href", "#").click((function(fileIndex) {
return function() {
fileManager.selectFile(fileIndex);
};
})(fileDesc.index));
}
$("#file-selector").append(li);
});
core.layoutRefresh();
};
// Remove a syncIndex (synchronized location)
fileManager.removeSync = function(syncIndex) {
var fileIndex = fileManager.getFileIndexFromSync(syncIndex);
if(fileIndex !== undefined) {
localStorage[fileIndex + ".sync"] = localStorage[fileIndex + ".sync"].replace(";"
+ syncIndex + ";", ";");
if(fileManager.isCurrentFileIndex(fileIndex)) {
synchronizer.refreshManageSync();
}
}
// Remove sync attributes
localStorage.removeItem(syncIndex);
};
// Get the fileIndex associated to a syncIndex
fileManager.getFileIndexFromSync = function(syncIndex) {
return _.chain(localStorage["file.list"].split(";")).compact()
.find(function(fileIndex) {
var sync = localStorage[fileIndex + ".sync"];
return sync.indexOf(";" + syncIndex + ";") !== -1;
}).value();
};
// Remove a publishIndex (publish location)
fileManager.removePublish = function(publishIndex) {
var fileIndex = fileManager.getFileIndexFromPublish(publishIndex);
if(fileIndex !== undefined) {
localStorage[fileIndex + ".publish"] = localStorage[fileIndex + ".publish"].replace(";"
+ publishIndex + ";", ";");
if(fileManager.isCurrentFileIndex(fileIndex)) {
publisher.notifyPublish();
}
}
// Remove publish attributes
localStorage.removeItem(publishIndex);
};
// Get the fileIndex associated to a publishIndex
fileManager.getFileIndexFromPublish = function(publishIndex) {
return _.chain(localStorage["file.list"].split(";")).compact()
.find(function(fileIndex) {
var sync = localStorage[fileIndex + ".publish"];
return sync.indexOf(";" + publishIndex + ";") !== -1;
}).value();
};
core.onReady(function() {
fileManager.selectFile();
$(".action-create-file").click(function() {
var fileIndex = fileManager.createFile();
fileManager.selectFile(fileIndex);
$("#file-title").click();
});
$(".action-remove-file").click(function() {
fileManager.deleteFile();
fileManager.selectFile();
});
$("#file-title").click(function() {
if(viewerMode === true) {
return;
}
$(this).hide();
$("#file-title-input").show().focus().get(0).select();
});
function applyTitle(input) {
var title = $.trim(input.val());
var fileIndexTitle = fileManager.getCurrentFileIndex() + ".title";
if (title) {
if (title != localStorage[fileIndexTitle]) {
localStorage[fileIndexTitle] = title;
fileManager.updateFileTitles();
fileManager.saveFile();
}
}
input.hide().val(localStorage[fileIndexTitle]);
$("#file-title").show();
core.layoutRefresh();
}
$("#file-title-input").blur(function() {
applyTitle($(this));
}).keyup(function(e) {
if (e.keyCode == 13) {
applyTitle($(this));
}
if (e.keyCode == 27) {
$(this).val("");
applyTitle($(this));
}
});
$(".action-open-stackedit").click(function() {
window.location.href = ".";
});
$(".action-edit-document").click(function() {
var content = $("#wmd-input").val();
var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
var fileIndex = fileManager.createFile(title, content);
fileManager.selectFile(fileIndex);
window.location.href = ".";
});
$(".action-download-md").click(function() {
var content = $("#wmd-input").val();
var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
core.saveFile(content, title + ".md");
});
$(".action-download-html").click(function() {
var content = $("#wmd-preview").html();
var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
core.saveFile(content, title + ".html");
});
$(".action-download-template").click(function() {
var content = publisher.applyTemplate();
var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
core.saveFile(content, title + ".txt");
});
$(".action-welcome-file").click(function() {
var fileIndex = fileManager.createFile(WELCOME_DOCUMENT_TITLE, welcomeContent);
fileManager.selectFile(fileIndex);
});
});
core.setFileManager(fileManager);
return fileManager;
});