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, $overlay ) {
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var _this = this;
// Properties
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this.surfaceView = surfaceView;
this.$ = $( '<div class="es-contextView"></div>' ).appendTo( $overlay || $( 'body' ) );
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this.$panels = $( '<div class="es-contextView-panels"></div>' ).appendTo( this.$ );
this.$toolbar = $( '<div class="es-contextView-toolbar"></div>' );
this.toolbarView = new es.ToolbarView(
this.$toolbar,
this.surfaceView,
[{ 'name': 'textStyle', 'items' : [ 'bold', 'italic', 'formatting', 'clear' ] }]
);
this.menuView = new es.MenuView( [
// Example menu items
{ 'name': 'tools', '$': this.$toolbar },
'-',
{ 'name': 'link', 'label': 'Link to...', 'callback': function( item ) {
_this.menuView.hide();
_this.$panels
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.show()
.find( '[rel="link"]' )
.show()
.end()
.find( '[rel="link"] input:first' )
.focus();
} },
'-',
{ 'name': 'copy', 'label': 'Copy' },
{ 'name': 'cut', 'label': 'Cut' },
{ 'name': 'paste', 'label': 'Paste' }
],
null,
this.$
);
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this.$icon = $( '<div class="es-contextView-icon"></div>' ).appendTo( this.$ );
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// Example panel
this.$panels.append(
'<div class="es-contextView-panel" rel="link">' +
'<div><label>Page title or URL <input type="text"></label></div>' +
'<div><a href="#cancel">Cancel</a> <button>Change</button></div>' +
'</div>'
);
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this.$panels.find( '[href="#cancel"]' ).click( function() {
_this.$panels.children().hide();
} );
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// Events
this.$icon.bind( {
'mousedown': function( e ) {
if ( e.button === 0 ) {
e.preventDefault();
return false;
}
},
'mouseup': function( e ) {
if ( e.button === 0 ) {
_this.menuView.toggle();
}
}
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} );
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};
/* Methods */
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 ) {
if ( position.left + this.menuView.$.width() < $( 'body' ).width() ) {
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this.$.addClass( 'es-contextView-position-left' );
} else {
this.$.addClass( 'es-contextView-position-right' );
}
var $window = $( window );
if ( position.top + this.menuView.$.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.$icon.fadeIn( 'fast' );
}
};
es.ContextView.prototype.clear = function() {
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this.$panels.hide().children().hide();
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this.$icon.hide();
this.menuView.hide();
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};