380 lines
13 KiB
JavaScript
380 lines
13 KiB
JavaScript
/**
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* @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or http://ckeditor.com/license
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*/
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( function() {
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var floatSpaceTpl = CKEDITOR.addTemplate( 'floatcontainer', '<div' +
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' id="cke_{name}"' +
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' class="cke {id} cke_reset_all cke_chrome cke_editor_{name} cke_float cke_{langDir} ' + CKEDITOR.env.cssClass + '"' +
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' dir="{langDir}"' +
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' title="' + ( CKEDITOR.env.gecko ? ' ' : '' ) + '"' +
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' lang="{langCode}"' +
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' role="application"' +
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' style="{style}"' +
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' aria-labelledby="cke_{name}_arialbl"' +
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'>' +
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'<span id="cke_{name}_arialbl" class="cke_voice_label">{voiceLabel}</span>' +
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'<div class="cke_inner">' +
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'<div id="{topId}" class="cke_top" role="presentation">{content}</div>' +
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'</div>' +
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'</div>' ),
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win = CKEDITOR.document.getWindow(),
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pixelate = CKEDITOR.tools.cssLength;
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CKEDITOR.plugins.add( 'floatingspace', {
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init: function( editor ) {
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// Add listener with lower priority than that in themedui creator.
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// Thereby floatingspace will be created only if themedui wasn't used.
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editor.on( 'loaded', function() {
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attach( this );
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}, null, null, 20 );
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}
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} );
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function scrollOffset( side ) {
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var pageOffset = side == 'left' ? 'pageXOffset' : 'pageYOffset',
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docScrollOffset = side == 'left' ? 'scrollLeft' : 'scrollTop';
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return ( pageOffset in win.$ ) ?
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win.$[ pageOffset ]
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:
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CKEDITOR.document.$.documentElement[ docScrollOffset ];
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}
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function attach( editor ) {
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var config = editor.config,
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// Get the HTML for the predefined spaces.
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topHtml = editor.fire( 'uiSpace', { space: 'top', html: '' } ).html,
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// Re-positioning of the space.
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layout = ( function() {
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// Mode indicates the vertical aligning mode.
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var mode, editable,
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spaceRect, editorRect, viewRect, spaceHeight, pageScrollX,
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// Allow minor adjustments of the float space from custom configs.
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dockedOffsetX = config.floatSpaceDockedOffsetX || 0,
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dockedOffsetY = config.floatSpaceDockedOffsetY || 0,
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pinnedOffsetX = config.floatSpacePinnedOffsetX || 0,
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pinnedOffsetY = config.floatSpacePinnedOffsetY || 0;
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// Update the float space position.
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function updatePos( pos, prop, val ) {
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floatSpace.setStyle( prop, pixelate( val ) );
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floatSpace.setStyle( 'position', pos );
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}
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// Change the current mode and update float space position accordingly.
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function changeMode( newMode ) {
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var editorPos = editable.getDocumentPosition();
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switch ( newMode ) {
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case 'top':
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updatePos( 'absolute', 'top', editorPos.y - spaceHeight - dockedOffsetY );
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break;
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case 'pin':
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updatePos( 'fixed', 'top', pinnedOffsetY );
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break;
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case 'bottom':
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updatePos( 'absolute', 'top', editorPos.y + ( editorRect.height || editorRect.bottom - editorRect.top ) + dockedOffsetY );
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break;
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}
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mode = newMode;
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}
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return function( evt ) {
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// #10112 Do not fail on editable-less editor.
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if ( !( editable = editor.editable() ) )
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return;
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// Show up the space on focus gain.
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evt && evt.name == 'focus' && floatSpace.show();
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// Reset the horizontal position for below measurement.
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floatSpace.removeStyle( 'left' );
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floatSpace.removeStyle( 'right' );
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// Compute the screen position from the TextRectangle object would
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// be very simple, even though the "width"/"height" property is not
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// available for all, it's safe to figure that out from the rest.
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// http://help.dottoro.com/ljgupwlp.php
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spaceRect = floatSpace.getClientRect();
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editorRect = editable.getClientRect();
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viewRect = win.getViewPaneSize();
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spaceHeight = spaceRect.height;
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pageScrollX = scrollOffset( 'left' );
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// We initialize it as pin mode.
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if ( !mode ) {
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mode = 'pin';
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changeMode( 'pin' );
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// Call for a refresh to the actual layout.
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layout( evt );
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return;
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}
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// +------------------------ Viewport -+ \
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// | | |-> floatSpaceDockedOffsetY
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// | ................................. | /
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// | |
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// | +------ Space -+ |
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// | | | |
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// | +--------------+ |
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// | +------------------ Editor -+ |
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// | | | |
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//
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if ( spaceHeight + dockedOffsetY <= editorRect.top )
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changeMode( 'top' );
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// +- - - - - - - - - Editor -+
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// | |
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// +------------------------ Viewport -+ \
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// | | | | |-> floatSpacePinnedOffsetY
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// | ................................. | /
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// | +------ Space -+ | |
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// | | | | |
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// | +--------------+ | |
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// | | | |
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// | +---------------------------+ |
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// +-----------------------------------+
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//
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else if ( spaceHeight + dockedOffsetY > viewRect.height - editorRect.bottom )
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changeMode( 'pin' );
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// +- - - - - - - - - Editor -+
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// | |
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// +------------------------ Viewport -+ \
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// | | | | |-> floatSpacePinnedOffsetY
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// | ................................. | /
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// | | | |
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// | | | |
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// | +---------------------------+ |
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// | +------ Space -+ |
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// | | | |
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// | +--------------+ |
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//
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else
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changeMode( 'bottom' );
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var mid = viewRect.width / 2,
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alignSide =
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( editorRect.left > 0 && editorRect.right < viewRect.width && editorRect.width > spaceRect.width ) ?
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( editor.config.contentsLangDirection == 'rtl' ? 'right' : 'left' )
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:
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( mid - editorRect.left > editorRect.right - mid ? 'left' : 'right' ),
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offset;
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// (#9769) If viewport width is less than space width,
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// make sure space never cross the left boundary of the viewport.
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// In other words: top-left corner of the space is always visible.
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if ( spaceRect.width > viewRect.width ) {
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alignSide = 'left';
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offset = 0;
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}
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else {
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if ( alignSide == 'left' ) {
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// If the space rect fits into viewport, align it
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// to the left edge of editor:
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//
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// +------------------------ Viewport -+
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// | |
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// | +------------- Space -+ |
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// | | | |
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// | +---------------------+ |
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// | +------------------ Editor -+ |
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// | | | |
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//
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if ( editorRect.left > 0 )
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offset = editorRect.left;
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// If the left part of the editor is cut off by the left
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// edge of the viewport, stick the space to the viewport:
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//
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// +------------------------ Viewport -+
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// | |
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// +---------------- Space -+ |
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// | | |
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// +------------------------+ |
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// +----|------------- Editor -+ |
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// | | | |
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//
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else
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offset = 0;
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}
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else {
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// If the space rect fits into viewport, align it
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// to the right edge of editor:
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//
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// +------------------------ Viewport -+
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// | |
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// | +------------- Space -+ |
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// | | | |
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// | +---------------------+ |
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// | +------------------ Editor -+ |
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// | | | |
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//
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if ( editorRect.right < viewRect.width )
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offset = viewRect.width - editorRect.right;
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// If the right part of the editor is cut off by the right
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// edge of the viewport, stick the space to the viewport:
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//
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// +------------------------ Viewport -+
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// | |
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// | +------------- Space -+
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// | | |
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// | +---------------------+
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// | +-----------------|- Editor -+
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// | | | |
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//
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else
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offset = 0;
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}
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// (#9769) Finally, stick the space to the opposite side of
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// the viewport when it's cut off horizontally on the left/right
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// side like below.
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//
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// This trick reveals cut off space in some edge cases and
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// hence it improves accessibility.
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//
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// +------------------------ Viewport -+
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// | |
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// | +--------------------|-- Space -+
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// | | | |
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// | +--------------------|----------+
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// | +------- Editor -+ |
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// | | | |
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//
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// becomes:
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//
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// +------------------------ Viewport -+
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// | |
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// | +----------------------- Space -+
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// | | |
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// | +-------------------------------+
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// | +------- Editor -+ |
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// | | | |
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//
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if ( offset + spaceRect.width > viewRect.width ) {
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alignSide = alignSide == 'left' ? 'right' : 'left';
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offset = 0;
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}
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}
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// Pin mode is fixed, so don't include scroll-x.
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// (#9903) For mode is "top" or "bottom", add opposite scroll-x for right-aligned space.
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var scroll = mode == 'pin' ?
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0
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:
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alignSide == 'left' ? pageScrollX : -pageScrollX;
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floatSpace.setStyle( alignSide, pixelate( ( mode == 'pin' ? pinnedOffsetX : dockedOffsetX ) + offset + scroll ) );
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};
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} )();
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if ( topHtml ) {
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var floatSpace = CKEDITOR.document.getBody().append( CKEDITOR.dom.element.createFromHtml( floatSpaceTpl.output( {
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content: topHtml,
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id: editor.id,
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langDir: editor.lang.dir,
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langCode: editor.langCode,
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name: editor.name,
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style: 'display:none;z-index:' + ( config.baseFloatZIndex - 1 ),
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topId: editor.ui.spaceId( 'top' ),
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voiceLabel: editor.lang.editorPanel + ', ' + editor.name
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} ) ) ),
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// Use event buffers to reduce CPU load when tons of events are fired.
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changeBuffer = CKEDITOR.tools.eventsBuffer( 500, layout ),
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uiBuffer = CKEDITOR.tools.eventsBuffer( 100, layout );
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// There's no need for the floatSpace to be selectable.
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floatSpace.unselectable();
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// Prevent clicking on non-buttons area of the space from blurring editor.
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floatSpace.on( 'mousedown', function( evt ) {
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evt = evt.data;
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if ( !evt.getTarget().hasAscendant( 'a', 1 ) )
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evt.preventDefault();
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} );
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editor.on( 'focus', function( evt ) {
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layout( evt );
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editor.on( 'change', changeBuffer.input );
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win.on( 'scroll', uiBuffer.input );
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win.on( 'resize', uiBuffer.input );
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} );
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editor.on( 'blur', function() {
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floatSpace.hide();
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editor.removeListener( 'change', changeBuffer.input );
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win.removeListener( 'scroll', uiBuffer.input );
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win.removeListener( 'resize', uiBuffer.input );
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} );
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editor.on( 'destroy', function() {
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win.removeListener( 'scroll', uiBuffer.input );
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win.removeListener( 'resize', uiBuffer.input );
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floatSpace.clearCustomData();
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floatSpace.remove();
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} );
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// Handle initial focus.
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if ( editor.focusManager.hasFocus )
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floatSpace.show();
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// Register this UI space to the focus manager.
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editor.focusManager.add( floatSpace, 1 );
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}
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}
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} )();
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/**
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* Along with {@link #floatSpaceDockedOffsetY} it defines the
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* amount of offset (in pixels) between float space and the editable left/right
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* boundaries when space element is docked at either side of the editable.
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*
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* config.floatSpaceDockedOffsetX = 10;
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*
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* @cfg {Number} [floatSpaceDockedOffsetX=0]
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* @member CKEDITOR.config
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*/
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/**
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* Along with {@link #floatSpaceDockedOffsetX} it defines the
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* amount of offset (in pixels) between float space and the editable top/bottom
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* boundaries when space element is docked at either side of the editable.
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*
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* config.floatSpaceDockedOffsetY = 10;
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*
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* @cfg {Number} [floatSpaceDockedOffsetY=0]
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* @member CKEDITOR.config
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*/
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/**
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* Along with {@link #floatSpacePinnedOffsetY} it defines the
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* amount of offset (in pixels) between float space and the view port boundaries
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* when space element is pinned.
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*
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* config.floatSpacePinnedOffsetX = 20;
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*
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* @cfg {Number} [floatSpacePinnedOffsetX=0]
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* @member CKEDITOR.config
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*/
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/**
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* Along with {@link #floatSpacePinnedOffsetX} it defines the
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* amount of offset (in pixels) between float space and the view port boundaries
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* when space element is pinned.
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*
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* config.floatSpacePinnedOffsetY = 20;
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*
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* @cfg {Number} [floatSpacePinnedOffsetY=0]
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* @member CKEDITOR.config
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*/
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