Notepad keren

Notepad keren

by Ahmad Najiullah

HTML

<table>
	<tr><td>Text to Save:</td></tr>
	<tr>
		<td colspan="3">
			<textarea id="inputTextToSave" style="width:512px;height:256px"></textarea>
		</td>
	</tr>
	<tr>
		<td>Filename to Save As:</td>
		<td><input id="inputFileNameToSaveAs"></input></td>
		<td><button onclick="saveTextAsFile()">Save Text to File</button></td>
	</tr>
	<tr>
		<td>Select a File to Load:</td>
        <td><input type="file" id="fileToLoad"/></td>
        <td><button onclick="loadFileAsText()">Load Selected File</button></td>
	</tr>
</table>

JavaScript

function saveTextAsFile()
{
	var textToWrite = document.getElementById("inputTextToSave").value;
	var textFileAsBlob = new Blob([textToWrite], {type:'text/plain'});
	var fileNameToSaveAs = document.getElementById("inputFileNameToSaveAs").value;

	var downloadLink = document.createElement("a");
	downloadLink.download = fileNameToSaveAs;
	downloadLink.innerHTML = "Download File";
	if (window.webkitURL != null)
	{
		// Chrome allows the link to be clicked
		// without actually adding it to the DOM.
		downloadLink.href = window.webkitURL.createObjectURL(textFileAsBlob);
	}
	else
	{
		// Firefox requires the link to be added to the DOM
		// before it can be clicked.
		downloadLink.href = window.URL.createObjectURL(textFileAsBlob);
		downloadLink.onclick = destroyClickedElement;
		downloadLink.style.display = "none";
		document.body.appendChild(downloadLink);
	}

	downloadLink.click();
}

function destroyClickedElement(event)
{
	document.body.removeChild(event.target);
}

function loadFileAsText()
{
	var fileToLoad = document.getElementById("fileToLoad").files[0];

	var fileReader = new FileReader();
	fileReader.onload = function(fileLoadedEvent) 
	{
		var textFromFileLoaded = fileLoadedEvent.target.result;
		document.getElementById("inputTextToSave").value = textFromFileLoaded;
	};
	fileReader.readAsText(fileToLoad, "UTF-8");
}