Stackedit/js/fileMgr.js

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define([
"jquery",
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"underscore",
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"core",
"utils",
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"settings",
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"eventMgr",
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"fileSystem",
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"classes/FileDescriptor",
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"text!../WELCOME.md"
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], function($, _, core, utils, settings, eventMgr, fileSystem, FileDescriptor, welcomeContent) {
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var fileMgr = {};
// Defines the current file
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fileMgr.currentFile = undefined;
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// Set the current file and refresh the editor
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fileMgr.selectFile = function(fileDesc) {
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fileDesc = fileDesc || fileMgr.currentFile;
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if(fileDesc === undefined) {
var fileSystemSize = _.size(fileSystem);
if(fileSystemSize === 0) {
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// If fileSystem empty create one file
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fileDesc = fileMgr.createFile(WELCOME_DOCUMENT_TITLE, welcomeContent);
}
else {
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// Select the last selected file
fileDesc = _.max(fileSystem, function(fileDesc) {
return fileDesc.selectTime || 0;
});
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}
}
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if(fileMgr.currentFile !== fileDesc) {
fileMgr.currentFile = fileDesc;
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fileDesc.selectTime = new Date().getTime();
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// Notify extensions
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eventMgr.onFileSelected(fileDesc);
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// Hide the viewer pencil button
if(fileDesc.fileIndex == TEMPORARY_FILE_INDEX) {
$(".action-edit-document").removeClass("hide");
}
else {
$(".action-edit-document").addClass("hide");
}
}
// Refresh the editor (even if it's the same file)
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core.initEditor(fileDesc);
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};
fileMgr.createFile = function(title, content, syncLocations, isTemporary) {
content = content !== undefined ? content : settings.defaultContent;
if(!title) {
// Create a file title
title = DEFAULT_FILE_TITLE;
var indicator = 2;
while (_.some(fileSystem, 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." + utils.randomString();
} while (_.has(fileSystem, fileIndex));
}
// syncIndex associations
syncLocations = syncLocations || {};
var sync = _.reduce(syncLocations, function(sync, syncAttributes) {
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utils.storeAttributes(syncAttributes);
return sync + syncAttributes.syncIndex + ";";
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}, ";");
localStorage[fileIndex + ".title"] = title;
localStorage[fileIndex + ".content"] = content;
localStorage[fileIndex + ".sync"] = sync;
localStorage[fileIndex + ".publish"] = ";";
// Create the file descriptor
var fileDesc = new FileDescriptor(fileIndex, title, syncLocations);
// Add the index to the file list
if(!isTemporary) {
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utils.appendIndexToArray("file.list", fileIndex);
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fileSystem[fileIndex] = fileDesc;
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eventMgr.onFileCreated(fileDesc);
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}
return fileDesc;
};
fileMgr.deleteFile = function(fileDesc) {
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fileDesc = fileDesc || fileMgr.currentFile;
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// Remove the index from the file list
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utils.removeIndexFromArray("file.list", fileDesc.fileIndex);
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delete fileSystem[fileDesc.fileIndex];
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if(fileMgr.currentFile === fileDesc) {
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// Unset the current fileDesc
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fileMgr.currentFile = undefined;
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// Refresh the editor with another file
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fileMgr.selectFile();
}
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// Remove synchronized locations from localStorage
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_.each(fileDesc.syncLocations, function(syncAttributes) {
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localStorage.removeItem(syncAttributes.syncIndex);
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});
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// Remove publish locations from localStorage
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_.each(fileDesc.publishLocations, function(publishAttributes) {
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localStorage.removeItem(publishAttributes.publishIndex);
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});
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localStorage.removeItem(fileDesc.fileIndex + ".title");
localStorage.removeItem(fileDesc.fileIndex + ".content");
localStorage.removeItem(fileDesc.fileIndex + ".sync");
localStorage.removeItem(fileDesc.fileIndex + ".publish");
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eventMgr.onFileDeleted(fileDesc);
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};
// Get the file descriptor associated to a syncIndex
fileMgr.getFileFromSyncIndex = function(syncIndex) {
return _.find(fileSystem, function(fileDesc) {
return _.has(fileDesc.syncLocations, syncIndex);
});
};
// Get syncAttributes from syncIndex
fileMgr.getSyncAttributes = function(syncIndex) {
var fileDesc = fileMgr.getFileFromSyncIndex(syncIndex);
return fileDesc && fileDesc.syncLocations[syncIndex];
};
// Get the file descriptor associated to a publishIndex
fileMgr.getFileFromPublishIndex = function(publishIndex) {
return _.find(fileSystem, function(fileDesc) {
return _.has(fileDesc.publishLocations, publishIndex);
});
};
core.onReady(function() {
fileMgr.selectFile();
$(".action-create-file").click(function() {
var fileDesc = fileMgr.createFile();
fileMgr.selectFile(fileDesc);
var wmdInput = $("#wmd-input").focus().get(0);
if(wmdInput.setSelectionRange) {
wmdInput.setSelectionRange(0, 0);
}
$("#file-title").click();
});
$(".action-remove-file").click(function() {
fileMgr.deleteFile();
});
$("#file-title").click(function() {
if(viewerMode === true) {
return;
}
$(this).hide();
var fileTitleInput = $("#file-title-input").show();
_.defer(function() {
fileTitleInput.focus().get(0).select();
});
});
function applyTitle(input) {
input.hide();
$("#file-title").show();
var title = $.trim(input.val());
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var fileDesc = fileMgr.currentFile;
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if(title && title != fileDesc.title) {
fileDesc.title = title;
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eventMgr.onTitleChanged(fileDesc);
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}
input.val(fileDesc.title);
$("#wmd-input").focus();
}
$("#file-title-input").blur(function() {
applyTitle($(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();
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var title = fileMgr.currentFile.title;
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var fileDesc = fileMgr.createFile(title, content);
fileMgr.selectFile(fileDesc);
window.location.href = ".";
});
$(".action-welcome-file").click(function() {
var fileDesc = fileMgr.createFile(WELCOME_DOCUMENT_TITLE, welcomeContent);
fileMgr.selectFile(fileDesc);
});
});
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eventMgr.onFileMgrCreated(fileMgr);
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return fileMgr;
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});