Stackedit/js/file-manager.js
2013-05-28 00:39:07 +01:00

335 lines
10 KiB
JavaScript

define([
"jquery",
"underscore",
"core",
"utils",
"settings",
"extension-manager",
"file-system",
"lib/text!../WELCOME.md"
], function($, _, core, utils, settings, extensionMgr, fileSystem, welcomeContent) {
var fileMgr = {};
// Defines the current file
var currentFile = (function() {
var fileIndex = localStorage["file.current"];
if(fileIndex !== undefined) {
return fileSystem[fileIndex];
}
})();
fileMgr.getCurrentFile = function() {
return currentFile;
};
fileMgr.isCurrentFile = function(fileDesc) {
return fileDesc === currentFile;
};
fileMgr.setCurrentFile = function(fileDesc) {
currentFile = fileDesc;
if(fileDesc === undefined) {
localStorage.removeItem("file.current");
}
else if(fileDesc.fileIndex != TEMPORARY_FILE_INDEX) {
localStorage["file.current"] = fileDesc.fileIndex;
}
};
// Caution: this function recreate the editor (reset undo operations)
fileMgr.selectFile = function(fileDesc) {
fileDesc = fileDesc || fileMgr.getCurrentFile();
if(fileDesc === undefined) {
var fileSystemSize = _.size(fileSystem);
// If fileSystem empty create one file
if (fileSystemSize === 0) {
fileDesc = fileMgr.createFile(WELCOME_DOCUMENT_TITLE, welcomeContent);
}
// If no file is selected take the last created
else {
fileDesc = fileSystem[_.keys(fileSystem)[fileSystemSize - 1]];
}
}
fileMgr.setCurrentFile(fileDesc);
// Notify extensions
extensionMgr.onFileSelected(fileDesc);
// Hide the viewer pencil button
if(fileDesc.fileIndex == TEMPORARY_FILE_INDEX) {
$(".action-edit-document").removeClass("hide");
}
else {
$(".action-edit-document").addClass("hide");
}
// Recreate the editor
$("#wmd-input").val(localStorage[fileDesc.fileIndex + ".content"]);
core.createEditor(function() {
// Callback to save content when textarea changes
fileMgr.saveFile();
});
};
fileMgr.createFile = function(title, content, syncLocations, isTemporary) {
content = content !== undefined ? content : settings.defaultContent;
syncLocations = syncLocations || {};
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));
}
// Create the file in the localStorage
localStorage[fileIndex + ".content"] = content;
localStorage[fileIndex + ".title"] = title;
// Store syncIndexes associated to the file
var sync = _.reduce(syncLocations, function(sync, syncAttributes, syncIndex) {
return sync + syncIndex + ";";
}, ";");
localStorage[fileIndex + ".sync"] = sync;
// Store publishIndexes associated to the file
localStorage[fileIndex + ".publish"] = ";";
// Create the file descriptor
var fileDesc = {
fileIndex : fileIndex,
title : title,
syncLocations: syncLocations,
publishLocations: {}
};
// Add the index to the file list
if(!isTemporary) {
localStorage["file.list"] += fileIndex + ";";
fileSystem[fileIndex] = fileDesc;
extensionMgr.onFileCreated(fileDesc);
}
return fileDesc;
};
fileMgr.deleteFile = function(fileDesc) {
fileDesc = fileDesc || fileMgr.getCurrentFile();
if(fileMgr.isCurrentFile(fileDesc)) {
// Unset the current fileDesc
fileMgr.setCurrentFile();
}
// Remove synchronized locations
_.each(fileDesc.syncLocations, function(syncAttributes) {
fileMgr.removeSync(syncAttributes, true);
});
// Remove publish locations
_.each(fileDesc.publishLocations, function(publishAttributes) {
fileMgr.removePublish(publishAttributes, true);
});
// Remove the index from the file list
var fileIndex = fileDesc.fileIndex;
localStorage["file.list"] = localStorage["file.list"].replace(";"
+ fileIndex + ";", ";");
localStorage.removeItem(fileIndex + ".title");
localStorage.removeItem(fileIndex + ".content");
localStorage.removeItem(fileIndex + ".sync");
localStorage.removeItem(fileIndex + ".publish");
fileSystem.removeItem(fileIndex);
extensionMgr.onFileDeleted(fileDesc);
};
// Save current file in localStorage
fileMgr.saveFile = function() {
var content = $("#wmd-input").val();
var fileDesc = fileMgr.getCurrentFile();
localStorage[fileDesc.fileIndex + ".content"] = content;
extensionMgr.onFileChanged(fileDesc);
};
// Add a synchronized location to a file
fileMgr.addSync = function(fileDesc, syncAttributes) {
localStorage[fileDesc.fileIndex + ".sync"] += syncAttributes.syncIndex + ";";
fileDesc.syncLocations[syncAttributes.syncIndex] = syncAttributes;
// addSync is only used for export, not for import
extensionMgr.onSyncExportSuccess(fileDesc, syncAttributes);
};
// Remove a synchronized location
fileMgr.removeSync = function(syncAttributes, skipExtensions) {
var fileDesc = fileMgr.getFileFromSyncIndex(syncAttributes.syncIndex);
if(fileDesc !== undefined) {
localStorage[fileDesc.fileIndex + ".sync"] = localStorage[fileDesc.fileIndex + ".sync"].replace(";"
+ syncAttributes.syncIndex + ";", ";");
}
// Remove sync attributes
localStorage.removeItem(syncAttributes.syncIndex);
fileDesc.syncLocations.removeItem(syncAttributes.syncIndex);
if(!skipExtensions) {
extensionMgr.onSyncRemoved(fileDesc, syncAttributes);
}
};
// 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];
};
// Returns true if provider has locations to synchronize
fileMgr.hasSync = function(provider) {
return _.some(fileSystem, function(fileDesc) {
return _.some(fileDesc.syncLocations, function(syncAttributes) {
return syncAttributes.provider === provider;
});
});
};
// Add a publishIndex (publish location) to a file
fileMgr.addPublish = function(fileDesc, publishAttributes) {
localStorage[fileDesc.fileIndex + ".publish"] += publishAttributes.publishIndex + ";";
fileDesc.publishLocations[publishAttributes.publishIndex] = publishAttributes;
extensionMgr.onNewPublishSuccess(fileDesc, publishAttributes);
};
// Remove a publishIndex (publish location)
fileMgr.removePublish = function(publishAttributes, skipExtensions) {
var fileDesc = fileMgr.getFileFromPublish(publishAttributes.publishIndex);
if(fileDesc !== undefined) {
localStorage[fileDesc.fileIndex + ".publish"] = localStorage[fileDesc.fileIndex + ".publish"].replace(";"
+ publishAttributes.publishIndex + ";", ";");
}
// Remove publish attributes
localStorage.removeItem(publishAttributes.publishIndex);
fileDesc.publishLocations.removeItem(publishAttributes.publishIndex);
if(!skipExtensions) {
extensionMgr.onPublishRemoved(fileDesc, publishAttributes);
}
};
// Get the file descriptor associated to a publishIndex
fileMgr.getFileFromPublish = function(publishIndex) {
return _.find(fileSystem, function(fileDesc) {
return _.has(fileDesc.publishLocations, publishIndex);
});
};
// Filter for search input in file selector
function filterFileSelector(filter) {
var liList = $("#file-selector li:not(.stick)");
liList.show();
if(filter) {
var words = filter.toLowerCase().split(/\s+/);
liList.each(function() {
var fileTitle = $(this).text().toLowerCase();
if(_.some(words, function(word) {
return fileTitle.indexOf(word) === -1;
})) {
$(this).hide();
}
});
}
}
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();
fileMgr.selectFile();
});
$("#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());
var fileDesc = fileMgr.getCurrentFile();
var fileIndexTitle = fileDesc.fileIndex + ".title";
if (title) {
if (title != localStorage[fileIndexTitle]) {
localStorage[fileIndexTitle] = title;
fileDesc.title = title;
extensionMgr.onTitleChanged(fileDesc);
}
}
input.val(localStorage[fileIndexTitle]);
$("#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-file").click(function() {
filterFileSelector();
_.defer(function() {
$("#file-search").val("").focus();
});
});
$("#file-search").keyup(function() {
filterFileSelector($(this).val());
}).click(function(event) {
event.stopPropagation();
});
$(".action-open-stackedit").click(function() {
window.location.href = ".";
});
$(".action-edit-document").click(function() {
var content = $("#wmd-input").val();
var title = fileMgr.getCurrentFile().title;
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);
});
});
extensionMgr.onFileMgrCreated(fileMgr);
return fileMgr;
});