Stackedit/js/file-manager.js

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JavaScript
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define(["jquery", "core", "synchronizer", "publisher", "text!../WELCOME.md", "underscore"],
function($, core, synchronizer, publisher, welcomeContent) {
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var fileManager = {};
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// Defines the current file
var currentFileIndex = localStorage["file.current"];
fileManager.getCurrentFileIndex = function() {
return currentFileIndex;
};
fileManager.isCurrentFileIndex = function(fileIndex) {
return fileIndex == currentFileIndex;
};
fileManager.setCurrentFileIndex = function(fileIndex) {
currentFileIndex = fileIndex;
// Sanity check since we are going to modify current file in localStorage
core.checkWindowUnique();
if(fileIndex === undefined) {
localStorage.removeItem("file.current");
}
else {
localStorage["file.current"] = fileIndex;
}
};
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// Caution: this function recreate the editor (reset undo operations)
var fileDescList = [];
fileManager.selectFile = function(fileIndex) {
// If no file create one
if (localStorage["file.list"].length === 1) {
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fileIndex = fileManager.createFile(WELCOME_DOCUMENT_TITLE, welcomeContent);
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}
if(fileIndex !== undefined) {
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fileManager.setCurrentFileIndex(fileIndex);
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}
// Update the file titles
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fileManager.updateFileTitles();
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synchronizer.refreshManageSync();
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publisher.notifyPublish();
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// Recreate the editor
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fileIndex = fileManager.getCurrentFileIndex();
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$("#wmd-input").val(localStorage[fileIndex + ".content"]);
core.createEditor(function() {
fileManager.saveFile();
});
};
fileManager.createFile = function(title, content, syncIndexes) {
content = content || "";
syncIndexes = syncIndexes || [];
if (!title) {
// Create a file title
title = DEFAULT_FILE_TITLE;
var indicator = 2;
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while(_.some(fileDescList, function(fileDesc) {
return fileDesc.title == title;
})) {
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title = DEFAULT_FILE_TITLE + indicator++;
}
}
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// Generate a unique fileIndex
var fileIndex = undefined;
do {
fileIndex = "file." + core.randomString();
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} while(_.has(localStorage, fileIndex + ".title"));
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// Create the file in the localStorage
localStorage[fileIndex + ".content"] = content;
localStorage[fileIndex + ".title"] = title;
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var sync = _.reduce(syncIndexes, function(sync, syncIndex) {
return sync + syncIndex + ";";
}, ";");
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localStorage[fileIndex + ".sync"] = sync;
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localStorage[fileIndex + ".publish"] = ";";
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localStorage["file.list"] += fileIndex + ";";
return fileIndex;
};
fileManager.deleteFile = function(fileIndex) {
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fileIndex = fileIndex || fileManager.getCurrentFileIndex();
if(fileManager.isCurrentFileIndex(fileIndex)) {
// Unset the current fileIndex
fileManager.setCurrentFileIndex();
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}
// Remove synchronized locations
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var syncIndexList = _.compact(localStorage[fileIndex + ".sync"].split(";"));
_.each(syncIndexList, function(syncIndex) {
fileManager.removeSync(syncIndex);
});
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localStorage.removeItem(fileIndex + ".sync");
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// Remove publish locations
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var publishIndexList = _.compact(localStorage[fileIndex + ".publish"].split(";"));
_.each(publishIndexList, function(publishIndex) {
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fileManager.removePublish(publishIndex);
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});
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localStorage.removeItem(fileIndex + ".publish");
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localStorage["file.list"] = localStorage["file.list"].replace(";"
+ fileIndex + ";", ";");
localStorage.removeItem(fileIndex + ".title");
localStorage.removeItem(fileIndex + ".content");
};
fileManager.saveFile = function() {
var content = $("#wmd-input").val();
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var fileIndex = fileManager.getCurrentFileIndex();
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localStorage[fileIndex + ".content"] = content;
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synchronizer.notifyChange(fileIndex);
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};
fileManager.updateFileTitles = function() {
$("#file-selector").empty();
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fileDescList = _.chain(localStorage["file.list"].split(";")).compact()
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.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();
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var fileIndex = fileManager.getCurrentFileIndex();
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// If no default file take first one
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if (fileIndex === undefined) {
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fileIndex = fileDescList[0].index;
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fileManager.setCurrentFileIndex(fileIndex);
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}
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synchronizer.resetSyncFlags();
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function composeTitle(fileIndex) {
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var result = " " + localStorage[fileIndex + ".title"];
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var providerIdList = synchronizer.getSyncProvidersFromFile(fileIndex);
providerIsList = _.extend(providerIdList, publisher.getPublishProvidersFromFile(fileIndex));
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_.each(providerIdList, function(providerId) {
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result = '<i class="icon-' + providerId + '"></i>' + result;
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});
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return result;
}
// Update the file title
var title = localStorage[fileIndex + ".title"];
document.title = "StackEdit - " + title;
$("#file-title").html(composeTitle(fileIndex));
$(".file-title").text(title);
$("#file-title-input").val(title);
// Update the file selector
$("#file-selector").empty();
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_.each(fileDescList, function(fileDesc) {
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var a = $("<a>").html(composeTitle(fileDesc.index));
var li = $("<li>").append(a);
if (fileDesc.index == fileIndex) {
li.addClass("disabled");
} else {
a.prop("href", "#").click((function(fileIndex) {
return function() {
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fileManager.selectFile(fileIndex);
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};
})(fileDesc.index));
}
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$("#file-selector").append(li);
});
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core.layoutRefresh();
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};
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// Remove a syncIndex (synchronized location)
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fileManager.removeSync = function(syncIndex) {
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var fileIndex = fileManager.getFileIndexFromSync(syncIndex);
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if(fileIndex !== undefined) {
localStorage[fileIndex + ".sync"] = localStorage[fileIndex + ".sync"].replace(";"
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+ syncIndex + ";", ";");
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if(fileManager.isCurrentFileIndex(fileIndex)) {
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synchronizer.refreshManageSync();
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}
}
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// Remove sync attributes
localStorage.removeItem(syncIndex);
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};
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// Get the fileIndex associated to a syncIndex
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fileManager.getFileIndexFromSync = function(syncIndex) {
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return _.chain(localStorage["file.list"].split(";")).compact()
.find(function(fileIndex) {
var sync = localStorage[fileIndex + ".sync"];
return sync.indexOf(";" + syncIndex + ";") !== -1;
}).value();
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};
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// Remove a publishIndex (publish location)
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fileManager.removePublish = function(publishIndex) {
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var fileIndex = fileManager.getFileIndexFromPublish(publishIndex);
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if(fileIndex !== undefined) {
localStorage[fileIndex + ".publish"] = localStorage[fileIndex + ".publish"].replace(";"
+ publishIndex + ";", ";");
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if(fileManager.isCurrentFileIndex(fileIndex)) {
publisher.notifyPublish();
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}
}
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// Remove publish attributes
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localStorage.removeItem(publishIndex);
};
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// Get the fileIndex associated to a publishIndex
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fileManager.getFileIndexFromPublish = function(publishIndex) {
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return _.chain(localStorage["file.list"].split(";")).compact()
.find(function(fileIndex) {
var sync = localStorage[fileIndex + ".publish"];
return sync.indexOf(";" + publishIndex + ";") !== -1;
}).value();
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};
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core.onReady(function() {
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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() {
$(this).hide();
$("#file-title-input").show().focus();
});
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function applyTitle(input) {
var title = $.trim(input.val());
var fileIndexTitle = fileManager.getCurrentFileIndex() + ".title";
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if (title) {
if (title != localStorage[fileIndexTitle]) {
localStorage[fileIndexTitle] = title;
fileManager.updateFileTitles();
fileManager.saveFile();
}
}
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input.hide().val(localStorage[fileIndexTitle]);
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$("#file-title").show();
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core.layoutRefresh();
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}
$("#file-title-input").blur(function() {
applyTitle($(this));
}).keyup(function(e) {
if (e.keyCode == 13) {
applyTitle($(this));
}
if (e.keyCode == 27) {
$(this).val("");
applyTitle($(this));
}
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});
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$(".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");
});
$(".action-download-template").click(function() {
var content = publisher.applyTemplate();
var title = localStorage[fileManager.getCurrentFileIndex() + ".title"];
core.saveFile(content, title + ".txt");
});
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$(".action-welcome-file").click(function() {
var fileIndex = fileManager.createFile(WELCOME_DOCUMENT_TITLE, welcomeContent);
fileManager.selectFile(fileIndex);
});
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});
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core.setFileManager(fileManager);
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return fileManager;
});