Button: Move button into widgets folder

Ref #13885

1 files changed, 421 insertions, 0 deletions

diff --git a/ui/widgets/button.js b/ui/widgets/button.js
new file mode 100644
index 000000000..f5509b520
--- /dev/null
+++ b/ui/widgets/button.js
@@ -0,0 +1,421 @@
+/*!
+ * jQuery UI Button @VERSION
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ */
+
+//>>label: Button
+//>>group: Widgets
+//>>description: Enhances a form with themeable buttons.
+//>>docs: http://api.jqueryui.com/button/
+//>>demos: http://jqueryui.com/button/
+//>>css.structure: ../themes/base/core.css
+//>>css.structure: ../themes/base/button.css
+//>>css.theme: ../themes/base/theme.css
+
+(function( factory ) {
+	if ( typeof define === "function" && define.amd ) {
+
+		// AMD. Register as an anonymous module.
+		define([
+			"jquery",
+			"../data",
+			"../keycode",
+			"../labels",
+			"../version",
+			"../widget"
+		], factory );
+	} else {
+
+		// Browser globals
+		factory( jQuery );
+	}
+}(function( $ ) {
+
+var lastActive,
+	baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
+	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 form = $( this );
+		setTimeout(function() {
+			form.find( ":ui-button" ).button( "refresh" );
+		}, 1 );
+	},
+	radioGroup = function( radio ) {
+		var name = radio.name,
+			form = radio.form,
+			radios = $( [] );
+		if ( name ) {
+			name = name.replace( /'/g, "\\'" );
+			if ( form ) {
+				radios = $( form ).find( "[name='" + name + "'][type=radio]" );
+			} else {
+				radios = $( "[name='" + name + "'][type=radio]", radio.ownerDocument )
+					.filter(function() {
+						return !this.form;
+					});
+			}
+		}
+		return radios;
+	};
+
+$.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" )
+			.off( "reset" + this.eventNamespace )
+			.on( "reset" + this.eventNamespace, 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",
+			activeClass = !toggleButton ? "ui-state-active" : "";
+
+		if ( options.label === null ) {
+			options.label = (this.type === "input" ? this.buttonElement.val() : this.buttonElement.html());
+		}
+
+		this._hoverable( this.buttonElement );
+
+		this.buttonElement
+			.addClass( baseClasses )
+			.attr( "role", "button" )
+			.on( "mouseenter" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					return;
+				}
+				if ( this === lastActive ) {
+					$( this ).addClass( "ui-state-active" );
+				}
+			})
+			.on( "mouseleave" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).removeClass( activeClass );
+			})
+			.on( "click" + this.eventNamespace, function( event ) {
+				if ( options.disabled ) {
+					event.preventDefault();
+					event.stopImmediatePropagation();
+				}
+			});
+
+		// Can't use _focusable() because the element that receives focus
+		// and the element that gets the ui-state-focus class are different
+		this._on({
+			focus: function() {
+				this.buttonElement.addClass( "ui-state-focus" );
+			},
+			blur: function() {
+				this.buttonElement.removeClass( "ui-state-focus" );
+			}
+		});
+
+		if ( toggleButton ) {
+			this.element.on( "change" + this.eventNamespace, function() {
+				that.refresh();
+			});
+		}
+
+		if ( this.type === "checkbox" ) {
+			this.buttonElement.on( "click" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					return false;
+				}
+			});
+		} else if ( this.type === "radio" ) {
+			this.buttonElement.on( "click" + this.eventNamespace, function() {
+				if ( options.disabled ) {
+					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
+				.on( "mousedown" + this.eventNamespace, function() {
+					if ( options.disabled ) {
+						return false;
+					}
+					$( this ).addClass( "ui-state-active" );
+					lastActive = this;
+					that.document.one( "mouseup", function() {
+						lastActive = null;
+					});
+				})
+				.on( "mouseup" + this.eventNamespace, function() {
+					if ( options.disabled ) {
+						return false;
+					}
+					$( this ).removeClass( "ui-state-active" );
+				})
+				.on( "keydown" + this.eventNamespace, function(event) {
+					if ( options.disabled ) {
+						return false;
+					}
+					if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
+						$( this ).addClass( "ui-state-active" );
+					}
+				})
+				// see #8559, we bind to blur here in case the button element loses
+				// focus between keydown and keyup, it would be left in an "active" state
+				.on( "keyup" + this.eventNamespace + " blur" + this.eventNamespace, function() {
+					$( this ).removeClass( "ui-state-active" );
+				});
+
+			if ( this.buttonElement.is("a") ) {
+				this.buttonElement.on( "keyup", function(event) {
+					if ( event.keyCode === $.ui.keyCode.SPACE ) {
+						// TODO pass through original event correctly (just as 2nd argument doesn't work)
+						$( this ).trigger( "click" );
+					}
+				});
+			}
+		}
+
+		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 + " ui-state-active " + typeClasses )
+			.removeAttr( "role 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" ) {
+			this.widget().toggleClass( "ui-state-disabled", !!value );
+			this.element.prop( "disabled", !!value );
+			if ( value ) {
+				if ( this.type === "checkbox" || this.type === "radio" ) {
+					this.buttonElement.removeClass( "ui-state-focus" );
+				} else {
+					this.buttonElement.removeClass( "ui-state-focus ui-state-active" );
+				}
+			}
+			return;
+		}
+		this._resetButton();
+	},
+
+	refresh: function() {
+		//See #8237 & #8828
+		var isDisabled = this.element.is( "input, button" ) ? this.element.is( ":disabled" ) : this.element.hasClass( "ui-button-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", $.trim( buttonText ) );
+				}
+			}
+		} else {
+			buttonClasses.push( "ui-button-text-only" );
+		}
+		buttonElement.addClass( buttonClasses.join( " " ) );
+	}
+});
+
+$.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(ui-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",
+			allButtons = this.element.find( this.options.items ),
+			existingButtons = allButtons.filter( ":ui-button" );
+
+		// Initialize new buttons
+		allButtons.not( ":ui-button" ).button();
+
+		// Refresh existing buttons
+		existingButtons.button( "refresh" );
+
+		this.buttons = allButtons
+			.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" );
+	}
+});
+
+return $.ui.button;
+
+}));