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* VisualEditor UserInterface PositionedTargetToolbar class.
*
* @copyright See AUTHORS.txt
*/
/**
* UserInterface positioned target toolbar.
*
* @class
* @extends ve.ui.TargetToolbar
*
* @constructor
* @param {ve.init.Target} target
* @param {Object} [config] Configuration options
* @param {boolean} [config.floatable] Toolbar can float when scrolled off the page
*/
ve.ui.PositionedTargetToolbar = function VeUiPositionedTargetToolbar( target, config ) {
config = config || {};
// Parent constructor
ve.ui.PositionedTargetToolbar.super.apply( this, arguments );
// Change default overlay to be this.$bar, instead of this.$element (T209192)
// TODO: Upstream to OOUI
if ( !config.$overlay ) {
this.$overlay = this.$bar.append( this.$popups );
}
// Properties
this.floating = false;
this.floatable = !!config.floatable;
this.height = 0;
this.elementOffset = null;
this.onWindowScrollThrottled = ve.throttle( this.onWindowScroll.bind( this ), 250 );
// Initialization
this.$element.addClass( 've-ui-positionedTargetToolbar' );
};
/* Inheritance */
OO.inheritClass( ve.ui.PositionedTargetToolbar, ve.ui.TargetToolbar );
/* Methods */
/**
* @inheritdoc
*/
ve.ui.PositionedTargetToolbar.prototype.setup = function ( groups, surface ) {
// Parent method
ve.ui.PositionedTargetToolbar.super.prototype.setup.apply( this, arguments );
[ 'above', 'below', 'side', 'inline' ].forEach( ( dialogPosition ) => {
const toolbarDialogs = surface.getToolbarDialogs( dialogPosition );
if ( this.position === 'bottom' ) {
this.$bar.prepend( toolbarDialogs.$element );
} else {
this.$bar.append( toolbarDialogs.$element );
}
toolbarDialogs.connect( this, {
opening: 'onToolbarDialogsOpeningOrClosing',
closing: 'onToolbarDialogsOpeningOrClosing'
} );
} );
if ( this.isFloatable() ) {
this.target.$scrollListener[ 0 ].addEventListener( 'scroll', this.onWindowScrollThrottled, { passive: true } );
}
};
/**
* @inheritdoc
*/
ve.ui.PositionedTargetToolbar.prototype.detach = function () {
// Events
if ( this.getSurface() ) {
[ 'above', 'below', 'side', 'inline' ].forEach( ( dialogPosition ) => {
this.getSurface().getToolbarDialogs( dialogPosition ).disconnect( this );
this.getSurface().getToolbarDialogs( dialogPosition ).clearWindows();
} );
}
this.target.$scrollListener[ 0 ].removeEventListener( 'scroll', this.onWindowScrollThrottled );
// Parent method
ve.ui.PositionedTargetToolbar.super.prototype.detach.apply( this, arguments );
};
/**
* While toolbar floating is enabled,
* the toolbar will stick to the top of the screen unless it would be over or under the last visible
* branch node in the root of the document being edited, at which point it will stop just above it.
*
* @inheritdoc
*/
ve.ui.PositionedTargetToolbar.prototype.onWindowResize = function () {
ve.ui.Toolbar.super.prototype.onWindowResize.call( this );
// Update offsets after resize (see #float)
this.calculateOffset();
if ( this.floating ) {
this.$bar.css( {
left: this.elementOffset.left,
right: this.elementOffset.right
} );
}
this.onViewportResize();
};
/**
* Calculate the left and right offsets of the toolbar
*/
ve.ui.PositionedTargetToolbar.prototype.calculateOffset = function () {
this.elementOffset = this.$element.offset();
this.elementOffset.right = document.documentElement.clientWidth - this.$element[ 0 ].offsetWidth - this.elementOffset.left;
};
/**
* Get height of the toolbar while floating
*
* @return {number} Height of the toolbar
*/
ve.ui.PositionedTargetToolbar.prototype.getHeight = function () {
return this.height;
};
/**
* Get toolbar element's offsets
*
* @return {Object} Toolbar element's offsets
*/
ve.ui.PositionedTargetToolbar.prototype.getElementOffset = function () {
if ( !this.elementOffset ) {
this.calculateOffset();
}
return this.elementOffset;
};
/**
* Float the toolbar.
*/
ve.ui.PositionedTargetToolbar.prototype.float = function () {
if ( !this.floating ) {
this.height = this.$bar[ 0 ].offsetHeight;
// When switching into floating mode, set the height of the wrapper and
// move the bar to the same offset as the in-flow element
this.$element
.css( 'height', this.height )
.addClass( 've-ui-toolbar-floating' );
this.$bar.css( {
left: this.elementOffset.left,
right: this.elementOffset.right
} );
this.floating = true;
this.emit( 'resize' );
this.onViewportResize();
}
};
/**
* Reset the toolbar to it's default non-floating position.
*/
ve.ui.PositionedTargetToolbar.prototype.unfloat = function () {
if ( this.floating ) {
this.height = 0;
this.$element
.css( 'height', '' )
.removeClass( 've-ui-toolbar-floating' );
this.$bar.css( { left: '', right: '' } );
this.floating = false;
this.emit( 'resize' );
this.onViewportResize();
}
};
/**
* Check if the toolbar is floating
*
* @return {boolean} The toolbar is floating
*/
ve.ui.PositionedTargetToolbar.prototype.isFloating = function () {
return this.floating;
};
/**
* Check if the toolbar can float
*
* @return {boolean} The toolbar can float
*/
ve.ui.PositionedTargetToolbar.prototype.isFloatable = function () {
return this.floatable;
};
/**
* Handle windows opening or closing in the toolbar window manager.
*
* @param {OO.ui.Window} win
* @param {jQuery.Promise} openingOrClosing
* @param {Object} data
*/
ve.ui.PositionedTargetToolbar.prototype.onToolbarDialogsOpeningOrClosing = function ( win, openingOrClosing ) {
const $surface = this.getSurface().$element,
transitionDuration = OO.ui.theme.getDialogTransitionDuration();
// win.isOpened before promise means we are closing
if ( win.constructor.static.position === 'side' && win.isOpened() ) {
// First closing transition
$surface.css(
$surface.css( 'direction' ) === 'rtl' ? 'margin-left' : 'margin-right',
''
);
win.$element.css( 'width', '' );
}
openingOrClosing.then( () => {
if ( win.constructor.static.position === 'side' ) {
// win.isOpened after promise means we are opening
if ( win.isOpened() ) {
const margin = $surface.css( 'direction' ) === 'rtl' ? 'margin-left' : 'margin-right';
const originalMargin = parseFloat( $surface.css( margin ) );
const width = win.getSizeProperties().width;
this.getSurface().$element
.addClass( 've-ui-surface-toolbarDialog-side' )
.css( margin, width + originalMargin );
win.$element.css( 'width', width );
} else {
// Second closing transition
this.getSurface().$element.removeClass( 've-ui-surface-toolbarDialog-side' );
}
this.onViewportResize();
setTimeout( () => {
this.onViewportResize();
this.getSurface().getView().emit( 'position' );
}, transitionDuration );
} else if (
win.constructor.static.position === 'above' ||
win.constructor.static.position === 'below'
) {
setTimeout( () => {
this.onViewportResize();
this.getSurface().getView().emit( 'position' );
}, transitionDuration );
}
// Wait for window transition
setTimeout( () => {
if ( this.floating ) {
// Re-calculate height
this.unfloat();
this.float();
}
}, transitionDuration );
} );
};
/**
* Handle the visible part of the surface viewport change dimensions
*/
ve.ui.PositionedTargetToolbar.prototype.onViewportResize = function () {
const surface = this.getSurface();
if ( !surface ) {
return;
}
const sideWindow = surface.getToolbarDialogs( 'side' ).getCurrentWindow();
if ( sideWindow ) {
const viewportDimensions = surface.getViewportDimensions();
if ( viewportDimensions ) {
sideWindow.$frame.css(
'height', Math.min( surface.getBoundingClientRect().height, viewportDimensions.height )
);
}
}
};
/**
* Handle window scroll events
*/
ve.ui.PositionedTargetToolbar.prototype.onWindowScroll = function () {
if ( !this.floating ) {
this.onViewportResize();
}
};
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