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import * as is from '../is';
import * as util from '../util';
import Selector from '../selector';
import apply from './apply';
import bypass from './bypass';
import container from './container';
import getForEle from './get-for-ele';
import json from './json';
import stringSheet from './string-sheet';
import properties from './properties';
import parse from './parse';
let Style = function( cy ){
if( !(this instanceof Style) ){
return new Style( cy );
}
if( !is.core( cy ) ){
util.error( 'A style must have a core reference' );
return;
}
this._private = {
cy: cy,
coreStyle: {}
};
this.length = 0;
this.resetToDefault();
};
let styfn = Style.prototype;
styfn.instanceString = function(){
return 'style';
};
// remove all contexts
styfn.clear = function(){
let _p = this._private;
let cy = _p.cy;
let eles = cy.elements();
for( let i = 0; i < this.length; i++ ){
this[ i ] = undefined;
}
this.length = 0;
_p.contextStyles = {};
_p.propDiffs = {};
this.cleanElements( eles, true );
eles.forEach(ele => {
let ele_p = ele[0]._private;
ele_p.styleDirty = true;
ele_p.appliedInitStyle = false;
});
return this; // chaining
};
styfn.resetToDefault = function(){
this.clear();
this.addDefaultStylesheet();
return this;
};
// builds a style object for the 'core' selector
styfn.core = function( propName ){
return this._private.coreStyle[ propName ] || this.getDefaultProperty( propName );
};
// create a new context from the specified selector string and switch to that context
styfn.selector = function( selectorStr ){
// 'core' is a special case and does not need a selector
let selector = selectorStr === 'core' ? null : new Selector( selectorStr );
let i = this.length++; // new context means new index
this[ i ] = {
selector: selector,
properties: [],
mappedProperties: [],
index: i
};
return this; // chaining
};
// add one or many css rules to the current context
styfn.css = function(){
let self = this;
let args = arguments;
if( args.length === 1 ){
let map = args[0];
for( let i = 0; i < self.properties.length; i++ ){
let prop = self.properties[ i ];
let mapVal = map[ prop.name ];
if( mapVal === undefined ){
mapVal = map[ util.dash2camel( prop.name ) ];
}
if( mapVal !== undefined ){
this.cssRule( prop.name, mapVal );
}
}
} else if( args.length === 2 ){
this.cssRule( args[0], args[1] );
}
// do nothing if args are invalid
return this; // chaining
};
styfn.style = styfn.css;
// add a single css rule to the current context
styfn.cssRule = function( name, value ){
// name-value pair
let property = this.parse( name, value );
// add property to current context if valid
if( property ){
let i = this.length - 1;
this[ i ].properties.push( property );
this[ i ].properties[ property.name ] = property; // allow access by name as well
if( property.name.match( /pie-(\d+)-background-size/ ) && property.value ){
this._private.hasPie = true;
}
if( property.mapped ){
this[ i ].mappedProperties.push( property );
}
// add to core style if necessary
let currentSelectorIsCore = !this[ i ].selector;
if( currentSelectorIsCore ){
this._private.coreStyle[ property.name ] = property;
}
}
return this; // chaining
};
styfn.append = function( style ){
if( is.stylesheet( style ) ){
style.appendToStyle( this );
} else if( is.array( style ) ){
this.appendFromJson( style );
} else if( is.string( style ) ){
this.appendFromString( style );
} // you probably wouldn't want to append a Style, since you'd duplicate the default parts
return this;
};
// static function
Style.fromJson = function( cy, json ){
let style = new Style( cy );
style.fromJson( json );
return style;
};
Style.fromString = function( cy, string ){
return new Style( cy ).fromString( string );
};
[
apply,
bypass,
container,
getForEle,
json,
stringSheet,
properties,
parse
].forEach( function( props ){
util.extend( styfn, props );
} );
Style.types = styfn.types;
Style.properties = styfn.properties;
Style.propertyGroups = styfn.propertyGroups;
Style.propertyGroupNames = styfn.propertyGroupNames;
Style.propertyGroupKeys = styfn.propertyGroupKeys;
export default Style;
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