mediawiki-extensions-Visual.../modules/es/views/es.ContextView.js

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/**
* Creates an es.ContextView object.
*
* @class
* @constructor
* @param {jQuery} $overlay DOM selection to add nodes to
*/
es.ContextView = function( surfaceView, $overlay ) {
this.surfaceView = surfaceView;
this.$ = $( '<div class="es-contextView"></div>' ).appendTo( $overlay || $( 'body' ) );
this.$toolbar = $( '<div class="es-contextView-menuSection"></div>' );
this.$menu = $( '<div class="es-contextView-menu"></div>' )
.append( this.$toolbar )
.appendTo( this.$ );
this.$icon = $( '<div class="es-contextView-icon"></div>' )
.appendTo( this.$ );
this.toolbarView = new es.ToolbarView(
this.$toolbar,
this.surfaceView,
[{ 'name': 'textStyle', 'items' : [ 'bold', 'italic', 'formatting', 'clear' ] }]
);
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// Example menu items
this.$menu.append(
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'<div class="es-contextView-menuItem-break"></div>' +
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'<div class="es-contextView-menuItem">Copy</div>' +
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'<div class="es-contextView-menuItem">Cut</div>' +
'<div class="es-contextView-menuItem">Paste</div>'
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);
// Events
var _this = this;
this.$icon.click( function() {
_this.$menu.toggle();
} );
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};
/* Methods */
es.ContextView.prototype.update = function() {
if ( this.$icon.is( ':visible' ) ) {
this.set();
}
};
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es.ContextView.prototype.set = function() {
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this.$.removeClass(
'es-contextView-position-below es-contextView-position-above ' +
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'es-contextView-position-left es-contextView-position-right ' +
'es-contextView-position-start es-contextView-position-end'
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);
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var selection = this.surfaceView.getModel().getSelection(),
position,
offset;
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if ( selection.from < selection.to ) {
var $lastRange = this.surfaceView.$.find( '.es-contentView-range:visible:last' );
if ( $lastRange.length ) {
offset = $lastRange.offset();
position = new es.Position(
offset.left + $lastRange.width(), offset.top + $lastRange.height()
);
this.$.addClass( 'es-contextView-position-end' );
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}
} else if ( selection.from > selection.to ) {
var $firstRange = this.surfaceView.$.find( '.es-contentView-range:visible:first' );
if ( $firstRange.length ) {
offset = $firstRange.offset();
position = new es.Position( offset.left, offset.top );
this.$.addClass( 'es-contextView-position-start' );
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}
}
if ( position ) {
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if ( position.left + this.$menu.width() < $( 'body' ).width() ) {
this.$.addClass( 'es-contextView-position-left' );
} else {
this.$.addClass( 'es-contextView-position-right' );
}
if ( position.top + this.$menu.height() < $( window ).height() + $( window ).scrollTop() ) {
this.$.addClass( 'es-contextView-position-below' );
} else {
this.$.addClass( 'es-contextView-position-above' );
}
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this.$.css( { 'left': position.left, 'top': position.top } );
this.$icon.fadeIn( 'fast' );
}
};
es.ContextView.prototype.clear = function() {
this.$icon.hide();
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this.$menu.hide();
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};