1 files changed, 231 insertions, 0 deletions
diff --git a/skins/common/edit.js b/skins/common/edit.js
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index 0000000..423205f
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+++ b/skins/common/edit.js
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+var currentFocused;
+
+// this function generates the actual toolbar buttons with localized text
+// we use it to avoid creating the toolbar where javascript is not enabled
+function addButton( imageFile, speedTip, tagOpen, tagClose, sampleText, imageId ) {
+	// Don't generate buttons for browsers which don't fully
+	// support it.
+	mwEditButtons.push({
+		'imageId': imageId,
+		'imageFile': imageFile,
+		'speedTip': speedTip,
+		'tagOpen': tagOpen,
+		'tagClose': tagClose,
+		'sampleText': sampleText
+	});
+}
+
+// this function generates the actual toolbar buttons with localized text
+// we use it to avoid creating the toolbar where JavaScript is not enabled
+function mwInsertEditButton( parent, item ) {
+	var image = document.createElement( 'img' );
+	image.width = 23;
+	image.height = 22;
+	image.className = 'mw-toolbar-editbutton';
+	if ( item.imageId ) {
+		image.id = item.imageId;
+	}
+	image.src = item.imageFile;
+	image.border = 0;
+	image.alt = item.speedTip;
+	image.title = item.speedTip;
+	image.style.cursor = 'pointer';
+	image.onclick = function() {
+		insertTags( item.tagOpen, item.tagClose, item.sampleText );
+		// click tracking
+		if ( ( typeof $j != 'undefined' )  && ( typeof $j.trackAction != 'undefined' ) ) {
+			$j.trackAction( 'oldedit.' + item.speedTip.replace(/ /g, "-") );
+		}
+		return false;
+	};
+
+	parent.appendChild( image );
+	return true;
+}
+
+function mwSetupToolbar() {
+	var toolbar = document.getElementById( 'toolbar' );
+	if ( !toolbar ) {
+		return false;
+	}
+
+	// Don't generate buttons for browsers which don't fully
+	// support it.
+	// but don't assume wpTextbox1 is always here
+	var textboxes = document.getElementsByTagName( 'textarea' );
+	if ( !textboxes.length ) {
+		// No toolbar if we can't find any textarea
+		return false;
+	}
+	// Only check for selection capability if the textarea is visible - errors will occur otherwise - just because
+	// the textarea is not visible, doesn't mean we shouldn't build out the toolbar though - it might have been replaced
+	// with some other kind of control
+	if ( textboxes[0].style.display != 'none' ) {
+		if ( !( document.selection && document.selection.createRange )
+			&& textboxes[0].selectionStart === null ) {
+			return false;
+		}
+	}
+	for ( var i = 0; i < mwEditButtons.length; i++ ) {
+		mwInsertEditButton( toolbar, mwEditButtons[i] );
+	}
+	for ( var i = 0; i < mwCustomEditButtons.length; i++ ) {
+		mwInsertEditButton( toolbar, mwCustomEditButtons[i] );
+	}
+	return true;
+}
+
+// apply tagOpen/tagClose to selection in textarea,
+// use sampleText instead of selection if there is none
+function insertTags( tagOpen, tagClose, sampleText ) {
+	if ( typeof $j != 'undefined' && typeof $j.fn.textSelection != 'undefined' &&
+			( currentFocused.nodeName.toLowerCase() == 'iframe' || currentFocused.id == 'wpTextbox1' ) ) {
+		$j( '#wpTextbox1' ).textSelection(
+			'encapsulateSelection', { 'pre': tagOpen, 'peri': sampleText, 'post': tagClose }
+		);
+		return;
+	}
+	var txtarea;
+	if ( document.editform ) {
+		txtarea = currentFocused;
+	} else {
+		// some alternate form? take the first one we can find
+		var areas = document.getElementsByTagName( 'textarea' );
+		txtarea = areas[0];
+	}
+	var selText, isSample = false;
+
+	if ( document.selection  && document.selection.createRange ) { // IE/Opera
+		// save window scroll position
+		if ( document.documentElement && document.documentElement.scrollTop ) {
+			var winScroll = document.documentElement.scrollTop
+		} else if ( document.body ) {
+			var winScroll = document.body.scrollTop;
+		}
+		// get current selection
+		txtarea.focus();
+		var range = document.selection.createRange();
+		selText = range.text;
+		// insert tags
+		checkSelectedText();
+		range.text = tagOpen + selText + tagClose;
+		// mark sample text as selected
+		if ( isSample && range.moveStart ) {
+			if ( window.opera ) {
+				tagClose = tagClose.replace(/\n/g,'');
+			}
+			range.moveStart('character', - tagClose.length - selText.length);
+			range.moveEnd('character', - tagClose.length);
+		}
+		range.select();
+		// restore window scroll position
+		if ( document.documentElement && document.documentElement.scrollTop ) {
+			document.documentElement.scrollTop = winScroll;
+		} else if ( document.body ) {
+			document.body.scrollTop = winScroll;
+		}
+
+	} else if ( txtarea.selectionStart || txtarea.selectionStart == '0' ) { // Mozilla
+		// save textarea scroll position
+		var textScroll = txtarea.scrollTop;
+		// get current selection
+		txtarea.focus();
+		var startPos = txtarea.selectionStart;
+		var endPos = txtarea.selectionEnd;
+		selText = txtarea.value.substring( startPos, endPos );
+		// insert tags
+		checkSelectedText();
+		txtarea.value = txtarea.value.substring(0, startPos)
+			+ tagOpen + selText + tagClose
+			+ txtarea.value.substring(endPos, txtarea.value.length);
+		// set new selection
+		if ( isSample ) {
+			txtarea.selectionStart = startPos + tagOpen.length;
+			txtarea.selectionEnd = startPos + tagOpen.length + selText.length;
+		} else {
+			txtarea.selectionStart = startPos + tagOpen.length + selText.length + tagClose.length;
+			txtarea.selectionEnd = txtarea.selectionStart;
+		}
+		// restore textarea scroll position
+		txtarea.scrollTop = textScroll;
+	}
+
+	function checkSelectedText() {
+		if ( !selText ) {
+			selText = sampleText;
+			isSample = true;
+		} else if ( selText.charAt(selText.length - 1) == ' ' ) { // exclude ending space char
+			selText = selText.substring(0, selText.length - 1);
+			tagClose += ' ';
+		}
+	}
+
+}
+
+/**
+ * Restore the edit box scroll state following a preview operation,
+ * and set up a form submission handler to remember this state
+ */
+function scrollEditBox() {
+	var editBox = document.getElementById( 'wpTextbox1' );
+	var scrollTop = document.getElementById( 'wpScrolltop' );
+	var editForm = document.getElementById( 'editform' );
+	if( editForm && editBox && scrollTop ) {
+		if( scrollTop.value ) {
+			editBox.scrollTop = scrollTop.value;
+		}
+		addHandler( editForm, 'submit', function() {
+			scrollTop.value = editBox.scrollTop;
+		} );
+	}
+}
+hookEvent( 'load', scrollEditBox );
+hookEvent( 'load', mwSetupToolbar );
+hookEvent( 'load', function() {
+	currentFocused = document.getElementById( 'wpTextbox1' );
+	// http://www.quirksmode.org/blog/archives/2008/04/delegating_the.html
+	// focus does not bubble normally, but using a trick we can do event delegation
+	// on the focus event on all text inputs to make the toolbox usable on all of them
+	var editForm = document.getElementById( 'editform' );
+	if ( !editForm ) {
+		return;
+	}
+	function onfocus( e ) {
+		var elm = e.target || e.srcElement;
+		if ( !elm ) {
+			return;
+		}
+		var tagName = elm.tagName.toLowerCase();
+		var type = elm.type || '';
+		if ( tagName !== 'textarea' && tagName !== 'input' ) {
+			return;
+		}
+		if ( tagName === 'input' && type.toLowerCase() !== 'text' ) {
+			return;
+		}
+
+		currentFocused = elm;
+	}
+
+	if ( editForm.addEventListener ) {
+		// Gecko, WebKit, Opera, etc... (all standards compliant browsers)
+		editForm.addEventListener( 'focus', onfocus, true ); // This MUST be true to work
+	} else if ( editForm.attachEvent ) {
+		// IE needs a specific trick here since it doesn't support the standard
+		editForm.attachEvent( 'onfocusin', function() { onfocus( event ); } );
+	}
+	
+	// HACK: make currentFocused work with the usability iframe
+	// With proper focus detection support (HTML 5!) this'll be much cleaner
+	if ( typeof $j != 'undefined' ) {
+		var iframe = $j( '.wikiEditor-ui-text iframe' );
+		if ( iframe.length > 0 ) {
+			$j( iframe.get( 0 ).contentWindow.document )
+				.add( iframe.get( 0 ).contentWindow.document.body ) // for IE
+				.focus( function() { currentFocused = iframe.get( 0 ); } );
+		}
+	}
+
+	editForm
+} );
+