adobe/brackets

View on GitHub
src/extensions/default/JavaScriptQuickEdit/unittest-files/jquery-ui/ui/jquery.ui.button.js

Summary

Maintainability
D
1 day
Test Coverage
/*!
 * jQuery UI Button @VERSION
 *
 * Copyright 2012, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Button
 *
 * Depends:
 *    jquery.ui.core.js
 *    jquery.ui.widget.js
 */
(function( $, undefined ) {

var lastActive, startXPos, startYPos, clickDragged,
    baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
    stateClasses = "ui-state-hover ui-state-active ",
    typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
    formResetHandler = function() {
        var buttons = $( this ).find( ":ui-button" );
        setTimeout(function() {
            buttons.button( "refresh" );
        }, 1 );
    },
    radioGroup = function( radio ) {
        var name = radio.name,
            form = radio.form,
            radios = $( [] );
        if ( name ) {
            if ( form ) {
                radios = $( form ).find( "[name='" + name + "']" );
            } else {
                radios = $( "[name='" + name + "']", radio.ownerDocument )
                    .filter(function() {
                        return !this.form;
                    });
            }
        }
        return radios;
    };

$.widget( "ui.button", {
    version: "@VERSION",
    defaultElement: "<button>",
    options: {
        disabled: null,
        text: true,
        label: null,
        icons: {
            primary: null,
            secondary: null
        }
    },
    _create: function() {
        this.element.closest( "form" )
            .unbind( "reset.button" )
            .bind( "reset.button", formResetHandler );

        if ( typeof this.options.disabled !== "boolean" ) {
            this.options.disabled = !!this.element.prop( "disabled" );
        } else {
            this.element.prop( "disabled", this.options.disabled );
        }

        this._determineButtonType();
        this.hasTitle = !!this.buttonElement.attr( "title" );

        var that = this,
            options = this.options,
            toggleButton = this.type === "checkbox" || this.type === "radio",
            hoverClass = "ui-state-hover" + ( !toggleButton ? " ui-state-active" : "" ),
            focusClass = "ui-state-focus";

        if ( options.label === null ) {
            options.label = (this.type === "input" ? this.buttonElement.val() : this.buttonElement.html());
        }

        this.buttonElement
            .addClass( baseClasses )
            .attr( "role", "button" )
            .bind( "mouseenter.button", function() {
                if ( options.disabled ) {
                    return;
                }
                $( this ).addClass( "ui-state-hover" );
                if ( this === lastActive ) {
                    $( this ).addClass( "ui-state-active" );
                }
            })
            .bind( "mouseleave.button", function() {
                if ( options.disabled ) {
                    return;
                }
                $( this ).removeClass( hoverClass );
            })
            .bind( "click.button", function( event ) {
                if ( options.disabled ) {
                    event.preventDefault();
                    event.stopImmediatePropagation();
                }
            });

        this.element
            .bind( "focus.button", function() {
                // no need to check disabled, focus won't be triggered anyway
                that.buttonElement.addClass( focusClass );
            })
            .bind( "blur.button", function() {
                that.buttonElement.removeClass( focusClass );
            });

        if ( toggleButton ) {
            this.element.bind( "change.button", function() {
                if ( clickDragged ) {
                    return;
                }
                that.refresh();
            });
            // if mouse moves between mousedown and mouseup (drag) set clickDragged flag
            // prevents issue where button state changes but checkbox/radio checked state
            // does not in Firefox (see ticket #6970)
            this.buttonElement
                .bind( "mousedown.button", function( event ) {
                    if ( options.disabled ) {
                        return;
                    }
                    clickDragged = false;
                    startXPos = event.pageX;
                    startYPos = event.pageY;
                })
                .bind( "mouseup.button", function( event ) {
                    if ( options.disabled ) {
                        return;
                    }
                    if ( startXPos !== event.pageX || startYPos !== event.pageY ) {
                        clickDragged = true;
                    }
            });
        }

        if ( this.type === "checkbox" ) {
            this.buttonElement.bind( "click.button", function() {
                if ( options.disabled || clickDragged ) {
                    return false;
                }
                $( this ).toggleClass( "ui-state-active" );
                that.buttonElement.attr( "aria-pressed", that.element[0].checked );
            });
        } else if ( this.type === "radio" ) {
            this.buttonElement.bind( "click.button", function() {
                if ( options.disabled || clickDragged ) {
                    return false;
                }
                $( this ).addClass( "ui-state-active" );
                that.buttonElement.attr( "aria-pressed", "true" );

                var radio = that.element[ 0 ];
                radioGroup( radio )
                    .not( radio )
                    .map(function() {
                        return $( this ).button( "widget" )[ 0 ];
                    })
                    .removeClass( "ui-state-active" )
                    .attr( "aria-pressed", "false" );
            });
        } else {
            this.buttonElement
                .bind( "mousedown.button", function() {
                    if ( options.disabled ) {
                        return false;
                    }
                    $( this ).addClass( "ui-state-active" );
                    lastActive = this;
                    that.document.one( "mouseup", function() {
                        lastActive = null;
                    });
                })
                .bind( "mouseup.button", function() {
                    if ( options.disabled ) {
                        return false;
                    }
                    $( this ).removeClass( "ui-state-active" );
                })
                .bind( "keydown.button", function(event) {
                    if ( options.disabled ) {
                        return false;
                    }
                    if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
                        $( this ).addClass( "ui-state-active" );
                    }
                })
                .bind( "keyup.button", function() {
                    $( this ).removeClass( "ui-state-active" );
                });

            if ( this.buttonElement.is("a") ) {
                this.buttonElement.keyup(function(event) {
                    if ( event.keyCode === $.ui.keyCode.SPACE ) {
                        // TODO pass through original event correctly (just as 2nd argument doesn't work)
                        $( this ).click();
                    }
                });
            }
        }

        // TODO: pull out $.Widget's handling for the disabled option into
        // $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
        // be overridden by individual plugins
        this._setOption( "disabled", options.disabled );
        this._resetButton();
    },

    _determineButtonType: function() {
        var ancestor, labelSelector, checked;

        if ( this.element.is("[type=checkbox]") ) {
            this.type = "checkbox";
        } else if ( this.element.is("[type=radio]") ) {
            this.type = "radio";
        } else if ( this.element.is("input") ) {
            this.type = "input";
        } else {
            this.type = "button";
        }

        if ( this.type === "checkbox" || this.type === "radio" ) {
            // we don't search against the document in case the element
            // is disconnected from the DOM
            ancestor = this.element.parents().last();
            labelSelector = "label[for='" + this.element.attr("id") + "']";
            this.buttonElement = ancestor.find( labelSelector );
            if ( !this.buttonElement.length ) {
                ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
                this.buttonElement = ancestor.filter( labelSelector );
                if ( !this.buttonElement.length ) {
                    this.buttonElement = ancestor.find( labelSelector );
                }
            }
            this.element.addClass( "ui-helper-hidden-accessible" );

            checked = this.element.is( ":checked" );
            if ( checked ) {
                this.buttonElement.addClass( "ui-state-active" );
            }
            this.buttonElement.prop( "aria-pressed", checked );
        } else {
            this.buttonElement = this.element;
        }
    },

    widget: function() {
        return this.buttonElement;
    },

    _destroy: function() {
        this.element
            .removeClass( "ui-helper-hidden-accessible" );
        this.buttonElement
            .removeClass( baseClasses + " " + stateClasses + " " + typeClasses )
            .removeAttr( "role" )
            .removeAttr( "aria-pressed" )
            .html( this.buttonElement.find(".ui-button-text").html() );

        if ( !this.hasTitle ) {
            this.buttonElement.removeAttr( "title" );
        }
    },

    _setOption: function( key, value ) {
        this._super( key, value );
        if ( key === "disabled" ) {
            if ( value ) {
                this.element.prop( "disabled", true );
            } else {
                this.element.prop( "disabled", false );
            }
            return;
        }
        this._resetButton();
    },

    refresh: function() {
        var isDisabled = this.element.is( ":disabled" );
        if ( isDisabled !== this.options.disabled ) {
            this._setOption( "disabled", isDisabled );
        }
        if ( this.type === "radio" ) {
            radioGroup( this.element[0] ).each(function() {
                if ( $( this ).is( ":checked" ) ) {
                    $( this ).button( "widget" )
                        .addClass( "ui-state-active" )
                        .attr( "aria-pressed", "true" );
                } else {
                    $( this ).button( "widget" )
                        .removeClass( "ui-state-active" )
                        .attr( "aria-pressed", "false" );
                }
            });
        } else if ( this.type === "checkbox" ) {
            if ( this.element.is( ":checked" ) ) {
                this.buttonElement
                    .addClass( "ui-state-active" )
                    .attr( "aria-pressed", "true" );
            } else {
                this.buttonElement
                    .removeClass( "ui-state-active" )
                    .attr( "aria-pressed", "false" );
            }
        }
    },

    _resetButton: function() {
        if ( this.type === "input" ) {
            if ( this.options.label ) {
                this.element.val( this.options.label );
            }
            return;
        }
        var buttonElement = this.buttonElement.removeClass( typeClasses ),
            buttonText = $( "<span></span>", this.document[0] )
                .addClass( "ui-button-text" )
                .html( this.options.label )
                .appendTo( buttonElement.empty() )
                .text(),
            icons = this.options.icons,
            multipleIcons = icons.primary && icons.secondary,
            buttonClasses = [];

        if ( icons.primary || icons.secondary ) {
            if ( this.options.text ) {
                buttonClasses.push( "ui-button-text-icon" + ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
            }

            if ( icons.primary ) {
                buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
            }

            if ( icons.secondary ) {
                buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
            }

            if ( !this.options.text ) {
                buttonClasses.push( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" );

                if ( !this.hasTitle ) {
                    buttonElement.attr( "title", buttonText );
                }
            }
        } else {
            buttonClasses.push( "ui-button-text-only" );
        }
        buttonElement.addClass( buttonClasses.join( " " ) );
    }
});

$.widget( "ui.buttonset", {
    version: "@VERSION",
    options: {
        items: "button, input[type=button], input[type=submit], input[type=reset], input[type=checkbox], input[type=radio], a, :data(button)"
    },

    _create: function() {
        this.element.addClass( "ui-buttonset" );
    },

    _init: function() {
        this.refresh();
    },

    _setOption: function( key, value ) {
        if ( key === "disabled" ) {
            this.buttons.button( "option", key, value );
        }

        this._super( key, value );
    },

    refresh: function() {
        var rtl = this.element.css( "direction" ) === "rtl";

        this.buttons = this.element.find( this.options.items )
            .filter( ":ui-button" )
                .button( "refresh" )
            .end()
            .not( ":ui-button" )
                .button()
            .end()
            .map(function() {
                return $( this ).button( "widget" )[ 0 ];
            })
                .removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
                .filter( ":first" )
                    .addClass( rtl ? "ui-corner-right" : "ui-corner-left" )
                .end()
                .filter( ":last" )
                    .addClass( rtl ? "ui-corner-left" : "ui-corner-right" )
                .end()
            .end();
    },

    _destroy: function() {
        this.element.removeClass( "ui-buttonset" );
        this.buttons
            .map(function() {
                return $( this ).button( "widget" )[ 0 ];
            })
                .removeClass( "ui-corner-left ui-corner-right" )
            .end()
            .button( "destroy" );
    }
});

}( jQuery ) );