376 lines
10 KiB
JavaScript
376 lines
10 KiB
JavaScript
/* global tinymce */
|
|
|
|
window.wp = window.wp || {};
|
|
|
|
jQuery( document ).ready( function($) {
|
|
var $window = $( window ),
|
|
$document = $( document ),
|
|
$adminBar = $( '#wpadminbar' ),
|
|
$contentWrap = $( '#wp-content-wrap' ),
|
|
$tools = $( '#wp-content-editor-tools' ),
|
|
$visualTop,
|
|
$visualEditor,
|
|
$textTop = $( '#ed_toolbar' ),
|
|
$textEditor = $( '#content' ),
|
|
$textEditorClone = $( '<div id="content-textarea-clone"></div>' ),
|
|
$bottom = $( '#post-status-info' ),
|
|
$statusBar,
|
|
buffer = 200,
|
|
fullscreen = window.wp.editor && window.wp.editor.fullscreen,
|
|
editorInstance,
|
|
fixedTop = false,
|
|
fixedBottom = false;
|
|
|
|
$textEditorClone.insertAfter( $textEditor );
|
|
|
|
// use to enable/disable
|
|
$contentWrap.addClass( 'wp-editor-expand' );
|
|
$( '#content-resize-handle' ).hide();
|
|
|
|
$textEditorClone.css( {
|
|
'font-family': $textEditor.css( 'font-family' ),
|
|
'font-size': $textEditor.css( 'font-size' ),
|
|
'line-height': $textEditor.css( 'line-height' ),
|
|
'padding': $textEditor.css( 'padding' ),
|
|
'padding-top': 37,
|
|
'white-space': 'pre-wrap',
|
|
'word-wrap': 'break-word'
|
|
} );
|
|
|
|
$textEditor.on( 'focus input propertychange', function() {
|
|
textEditorResize();
|
|
} );
|
|
|
|
$textEditor.on( 'keyup', function() {
|
|
var range = document.createRange(),
|
|
start = $textEditor[0].selectionStart,
|
|
end = $textEditor[0].selectionEnd,
|
|
textNode = $textEditorClone[0].firstChild,
|
|
windowHeight = $window.height(),
|
|
offset, cursorTop, cursorBottom, editorTop, editorBottom;
|
|
|
|
if ( start && end && start !== end ) {
|
|
return;
|
|
}
|
|
|
|
range.setStart( textNode, start );
|
|
range.setEnd( textNode, end + 1 );
|
|
|
|
offset = range.getBoundingClientRect();
|
|
|
|
if ( ! offset.height ) {
|
|
return;
|
|
}
|
|
|
|
cursorTop = offset.top;
|
|
cursorBottom = cursorTop + offset.height;
|
|
editorTop = $adminBar.outerHeight() + $textTop.outerHeight();
|
|
editorBottom = windowHeight - $bottom.outerHeight();
|
|
|
|
if ( cursorTop < editorTop || cursorBottom > editorBottom ) {
|
|
window.scrollTo( window.pageXOffset, cursorTop + window.pageYOffset - windowHeight / 2 );
|
|
}
|
|
} );
|
|
|
|
function textEditorResize() {
|
|
if ( editorInstance && ! editorInstance.isHidden() ) {
|
|
return;
|
|
}
|
|
|
|
var hiddenHeight = $textEditorClone.width( $textEditor.width() ).text( $textEditor.val() + ' ' ).height(),
|
|
textEditorHeight = $textEditor.height();
|
|
|
|
if ( hiddenHeight < 300 ) {
|
|
hiddenHeight = 300;
|
|
}
|
|
|
|
if ( hiddenHeight === textEditorHeight ) {
|
|
return;
|
|
}
|
|
|
|
$textEditor.height( hiddenHeight );
|
|
|
|
adjust( 'resize' );
|
|
}
|
|
|
|
// We need to wait for TinyMCE to initialize.
|
|
$document.on( 'tinymce-editor-init.editor-expand', function( event, editor ) {
|
|
// Make sure it's the main editor.
|
|
if ( editor.id !== 'content' ) {
|
|
return;
|
|
}
|
|
|
|
// Copy the editor instance.
|
|
editorInstance = editor;
|
|
|
|
// Resizing will be handled by the autoresize plugin.
|
|
editor.theme.resizeTo = function() {};
|
|
|
|
// Set the minimum height to the initial viewport height.
|
|
editor.settings.autoresize_min_height = 300;
|
|
|
|
// Get the necessary UI elements.
|
|
$visualTop = $contentWrap.find( '.mce-toolbar-grp' );
|
|
$visualEditor = $contentWrap.find( '.mce-edit-area' );
|
|
$statusBar = $contentWrap.find( '.mce-statusbar' ).filter( ':visible' );
|
|
|
|
// Adjust when switching editor modes.
|
|
editor.on( 'show', function() {
|
|
setTimeout( function() {
|
|
editor.execCommand( 'mceAutoResize' );
|
|
adjust( 'resize' );
|
|
}, 200 );
|
|
} );
|
|
|
|
editor.on( 'keyup', function() {
|
|
var offset = getCursorOffset(),
|
|
windowHeight = $window.height(),
|
|
cursorTop, cursorBottom, editorTop, editorBottom;
|
|
|
|
if ( ! offset ) {
|
|
return;
|
|
}
|
|
|
|
cursorTop = offset.top + editor.getContentAreaContainer().getElementsByTagName( 'iframe' )[0].getBoundingClientRect().top;
|
|
cursorBottom = cursorTop + offset.height;
|
|
editorTop = $adminBar.outerHeight() + $tools.outerHeight() + $visualTop.outerHeight();
|
|
editorBottom = $window.height() - $bottom.outerHeight();
|
|
|
|
if ( cursorTop < editorTop || cursorBottom > editorBottom ) {
|
|
window.scrollTo( window.pageXOffset, cursorTop + window.pageYOffset - windowHeight / 2 );
|
|
}
|
|
} );
|
|
|
|
function getCursorOffset() {
|
|
var selection = editor.selection,
|
|
node = selection.getNode(),
|
|
range = selection.getRng(),
|
|
view, clone, right, offset;
|
|
|
|
if ( tinymce.Env.ie && tinymce.Env.ie < 9 ) {
|
|
return;
|
|
}
|
|
|
|
if ( editor.plugins.wpview && ( view = editor.plugins.wpview.getView( node ) ) ) {
|
|
offset = view.getBoundingClientRect();
|
|
} else if ( selection.isCollapsed() ) {
|
|
clone = range.cloneRange();
|
|
|
|
if ( clone.startContainer.length > 1 ) {
|
|
if ( clone.startContainer.length > clone.endOffset ) {
|
|
clone.setEnd( clone.startContainer, clone.endOffset + 1 );
|
|
right = true;
|
|
} else {
|
|
clone.setStart( clone.startContainer, clone.endOffset - 1 );
|
|
}
|
|
|
|
selection.setRng( clone );
|
|
offset = selection.getRng().getBoundingClientRect();
|
|
selection.setRng( range );
|
|
} else {
|
|
offset = node.getBoundingClientRect();
|
|
}
|
|
} else {
|
|
offset = range.getBoundingClientRect();
|
|
}
|
|
|
|
if ( ! offset.height ) {
|
|
return false;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
editor.on( 'hide', function() {
|
|
textEditorResize();
|
|
adjust( 'resize' );
|
|
} );
|
|
|
|
// Adjust when the editor resizes.
|
|
editor.on( 'nodechange setcontent keyup FullscreenStateChanged', function() {
|
|
adjust( 'resize' );
|
|
} );
|
|
|
|
editor.on( 'wp-toolbar-toggle', function() {
|
|
$visualEditor.css( {
|
|
paddingTop: $visualTop.outerHeight()
|
|
} );
|
|
} );
|
|
|
|
// And adjust "immediately".
|
|
// Allow some time to load CSS etc.
|
|
setTimeout( function() {
|
|
$visualEditor.css( {
|
|
paddingTop: $visualTop.outerHeight()
|
|
} );
|
|
|
|
adjust( 'resize' );
|
|
}, 500 );
|
|
} );
|
|
|
|
// Adjust when the window is scrolled or resized.
|
|
$window.on( 'scroll resize', function( event ) {
|
|
adjust( event.type );
|
|
} );
|
|
|
|
// Adjust when exiting fullscreen mode.
|
|
fullscreen && fullscreen.pubsub.subscribe( 'hidden', function() {
|
|
adjust( 'resize' );
|
|
} );
|
|
|
|
// Adjust when collapsing the menu.
|
|
$document.on( 'wp-collapse-menu.editor-expand', function() {
|
|
adjust( 'resize' );
|
|
} )
|
|
|
|
// Adjust when changing the columns.
|
|
.on( 'postboxes-columnchange.editor-expand', function() {
|
|
adjust( 'resize' );
|
|
} )
|
|
|
|
// Adjust when changing the body class.
|
|
.on( 'editor-classchange.editor-expand', function() {
|
|
adjust( 'resize' );
|
|
} );
|
|
|
|
// Adjust the toolbars based on the active editor mode.
|
|
function adjust( eventType ) {
|
|
// Make sure we're not in fullscreen mode.
|
|
if ( fullscreen && fullscreen.settings.visible ) {
|
|
return;
|
|
}
|
|
|
|
var bottomHeight = $bottom.outerHeight(),
|
|
windowPos = $window.scrollTop(),
|
|
windowHeight = $window.height(),
|
|
windowWidth = $window.width(),
|
|
adminBarHeight = windowWidth > 600 ? $adminBar.height() : 0,
|
|
$top, $editor, visual,
|
|
toolsHeight, topPos, topHeight, editorPos, editorHeight, editorWidth, statusBarHeight;
|
|
|
|
// Visual editor.
|
|
if ( editorInstance && ! editorInstance.isHidden() ) {
|
|
$top = $visualTop;
|
|
$editor = $visualEditor;
|
|
visual = true;
|
|
|
|
// Doesn't hide the panel of 'styleselect'. :(
|
|
tinymce.each( editorInstance.controlManager.buttons, function( button ) {
|
|
if ( button._active && ( button.type === 'colorbutton' || button.type === 'panelbutton' || button.type === 'menubutton' ) ) {
|
|
button.hidePanel();
|
|
}
|
|
} );
|
|
// Text editor.
|
|
} else {
|
|
$top = $textTop;
|
|
$editor = $textEditor;
|
|
}
|
|
|
|
toolsHeight = $tools.outerHeight();
|
|
topPos = $top.parent().offset().top;
|
|
topHeight = $top.outerHeight();
|
|
editorPos = $editor.offset().top;
|
|
editorHeight = $editor.outerHeight();
|
|
editorWidth = $editor.outerWidth();
|
|
statusBarHeight = visual ? $statusBar.outerHeight() : 0;
|
|
|
|
// Maybe pin the top.
|
|
if ( ( ! fixedTop || eventType === 'resize' ) &&
|
|
// Handle scrolling down.
|
|
( windowPos >= ( topPos - toolsHeight - adminBarHeight ) &&
|
|
// Handle scrolling up.
|
|
windowPos <= ( topPos - toolsHeight - adminBarHeight + editorHeight - buffer ) ) ) {
|
|
fixedTop = true;
|
|
|
|
$top.css( {
|
|
position: 'fixed',
|
|
top: adminBarHeight + toolsHeight,
|
|
width: $editor.parent().width() - ( $top.outerWidth() - $top.width() ),
|
|
borderTop: '1px solid #e5e5e5'
|
|
} );
|
|
|
|
$tools.css( {
|
|
position: 'fixed',
|
|
top: adminBarHeight,
|
|
width: editorWidth + 2
|
|
} );
|
|
// Maybe unpin the top.
|
|
} else if ( fixedTop || eventType === 'resize' ) {
|
|
// Handle scrolling up.
|
|
if ( windowPos <= ( topPos - toolsHeight - adminBarHeight ) ) {
|
|
fixedTop = false;
|
|
|
|
$top.css( {
|
|
position: 'absolute',
|
|
top: 0,
|
|
borderTop: 'none',
|
|
width: $editor.parent().width() - ( $top.outerWidth() - $top.width() )
|
|
} );
|
|
|
|
$tools.css( {
|
|
position: 'absolute',
|
|
top: 0,
|
|
width: $contentWrap.width()
|
|
} );
|
|
// Handle scrolling down.
|
|
} else if ( windowPos >= ( topPos - toolsHeight - adminBarHeight + editorHeight - buffer ) ) {
|
|
fixedTop = false;
|
|
|
|
$top.css( {
|
|
position: 'absolute',
|
|
top: editorHeight - buffer
|
|
} );
|
|
|
|
$tools.css( {
|
|
position: 'absolute',
|
|
top: editorHeight - buffer + 1, // border
|
|
width: $contentWrap.width()
|
|
} );
|
|
}
|
|
}
|
|
|
|
// Maybe adjust the bottom bar.
|
|
if ( ( ! fixedBottom || eventType === 'resize' ) &&
|
|
// + 1 for the border around the .wp-editor-container.
|
|
( windowPos + windowHeight ) <= ( editorPos + editorHeight + bottomHeight + statusBarHeight + 1 ) ) {
|
|
fixedBottom = true;
|
|
|
|
$bottom.css( {
|
|
position: 'fixed',
|
|
bottom: 0,
|
|
width: editorWidth + 2,
|
|
borderTop: '1px solid #dedede'
|
|
} );
|
|
} else if ( fixedBottom &&
|
|
( windowPos + windowHeight ) > ( editorPos + editorHeight + bottomHeight + statusBarHeight - 1 ) ) {
|
|
fixedBottom = false;
|
|
|
|
$bottom.css( {
|
|
position: 'relative',
|
|
bottom: 'auto',
|
|
width: '100%',
|
|
borderTop: 'none'
|
|
} );
|
|
}
|
|
}
|
|
|
|
textEditorResize();
|
|
|
|
$tools.css( {
|
|
position: 'absolute',
|
|
top: 0,
|
|
width: $contentWrap.width()
|
|
} );
|
|
|
|
$contentWrap.css( {
|
|
paddingTop: $tools.outerHeight()
|
|
} );
|
|
|
|
// This needs to execute after quicktags is ready or a button is added...
|
|
setTimeout( function() {
|
|
$textEditor.css( {
|
|
paddingTop: $textTop.outerHeight() + parseInt( $textEditor.css( 'padding-top' ), 10 )
|
|
} );
|
|
}, 500 );
|
|
});
|