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| /*
Copyright 2016 Stanislav Shterev
Copyright 2017 OCAD University
Licensed under the Educational Community License (ECL), Version 2.0 or the New
BSD license. You may not use this file except in compliance with one these
Licenses.
You may obtain a copy of the ECL 2.0 License and BSD License at
https://github.com/fluid-project/infusion/raw/master/Infusion-LICENSE.txt
*/
var fluid_3_0_0 = fluid_3_0_0 || {};
(function ($, fluid) {
"use strict";
/*********************
* Textfield Stepper *
*********************/
fluid.defaults("fluid.textfieldStepper", {
gradeNames: ["fluid.viewComponent"],
strings: {
// Specified by implementor
// text of label to apply to both textfield and control
// via aria-label attribute
// "aria-label": "",
increaseLabel: "increment",
decreaseLabel: "decrement"
},
selectors: {
textfield: ".flc-textfieldStepper-field",
focusContainer: ".flc-textfieldStepper-focusContainer",
increaseButton: ".flc-textfieldStepper-increase",
decreaseButton: ".flc-textfieldStepper-decrease"
},
styles: {
container: "fl-textfieldStepper",
focus: "fl-textfieldStepper-focus"
},
components: {
textfield: {
type: "fluid.textfield.rangeController",
container: "{that}.dom.textfield",
options: {
components: {
controller: {
options: {
model: "{textfieldStepper}.model",
modelListeners: {
"range.min": {
"this": "{textfield}.container",
method: "attr",
args: ["aria-valuemin", "{change}.value"]
},
"range.max": {
"this": "{textfield}.container",
method: "attr",
args: ["aria-valuemax", "{change}.value"]
}
}
}
}
},
attrs: "{textfieldStepper}.options.attrs",
strings: "{textfieldStepper}.options.strings",
listeners: {
"onCreate.bindUpArrow": {
listener: "fluid.textfieldStepper.bindKeyEvent",
// up arrow === 38
args: ["{that}.container", "keydown", 38, "{textfieldStepper}.increase"]
},
"onCreate.bindDownArrow": {
listener: "fluid.textfieldStepper.bindKeyEvent",
// down arrow === 40
args: ["{that}.container", "keydown", 40, "{textfieldStepper}.decrease"]
},
"onCreate.addRole": {
"this": "{that}.container",
method: "attr",
args: ["role", "spinbutton"]
}
},
modelListeners: {
"value": {
"this": "{that}.container",
method: "attr",
args: ["aria-valuenow", "{change}.value"]
}
}
}
},
increaseButton: {
type: "fluid.textfieldStepper.button",
container: "{textfieldStepper}.dom.increaseButton",
options: {
strings: {
label: "{textfieldStepper}.options.strings.increaseLabel"
},
listeners: {
"onClick.increase": "{textfieldStepper}.increase"
},
modelRelay: {
target: "disabled",
singleTransform: {
type: "fluid.transforms.binaryOp",
left: "{textfieldStepper}.model.value",
right: "{textfieldStepper}.model.range.max",
operator: ">="
}
}
}
},
decreaseButton: {
type: "fluid.textfieldStepper.button",
container: "{textfieldStepper}.dom.decreaseButton",
options: {
strings: {
label: "{textfieldStepper}.options.strings.decreaseLabel"
},
listeners: {
"onClick.decrease": "{textfieldStepper}.decrease"
},
modelRelay: {
target: "disabled",
singleTransform: {
type: "fluid.transforms.binaryOp",
left: "{textfieldStepper}.model.value",
right: "{textfieldStepper}.model.range.min",
operator: "<="
}
}
}
}
},
invokers: {
increase: {
funcName: "fluid.textfieldStepper.step",
args: ["{that}"]
},
decrease: {
funcName: "fluid.textfieldStepper.step",
args: ["{that}", -1]
},
addFocus: {
"this": "{that}.dom.focusContainer",
method: "addClass",
args: ["{that}.options.styles.focus"]
},
removeFocus: {
"this": "{that}.dom.focusContainer",
method: "removeClass",
args: ["{that}.options.styles.focus"]
}
},
listeners: {
"onCreate.addContainerStyle": {
"this": "{that}.container",
method: "addClass",
args: ["{that}.options.styles.container"]
},
"onCreate.bindFocusin": {
"this": "{that}.container",
method: "on",
args: ["focusin", "{that}.addFocus"]
},
"onCreate.bindFocusout": {
"this": "{that}.container",
method: "on",
args: ["focusout", "{that}.removeFocus"]
}
},
model: {
value: null,
step: 1,
range: {
min: 0,
max: 100
}
},
attrs: {
// Specified by implementor
// ID of an element to use as a label for the stepper
// attribute
// "aria-labelledby": ""
// Should specify either "aria-label" or "aria-labelledby"
// aria-label: "{that}.options.strings.label",
// ID of an element that is controlled by the textfield.
// "aria-controls": ""
},
distributeOptions: [{
// The scale option sets the number of decimal places to round
// the number to. If no scale is specified, the number will not be rounded.
// Scaling is useful to avoid long decimal places due to floating point imprecision.
source: "{that}.options.scale",
target: "{that > fluid.textfield > controller}.options.scale"
}]
});
fluid.textfieldStepper.step = function (that, coefficient) {
coefficient = coefficient || 1;
var newValue = that.model.value + (coefficient * that.model.step);
that.applier.change("value", newValue);
};
fluid.textfieldStepper.bindKeyEvent = function (elm, keyEvent, keyCode, fn) {
$(elm).on(keyEvent, function (event) {
if (event.which === keyCode) {
fn();
event.preventDefault();
}
});
};
fluid.defaults("fluid.textfieldStepper.button", {
gradeNames: ["fluid.viewComponent"],
strings: {
// to be specified by an implementor.
// to provide a label for the button.
// label: ""
},
styles: {
container: "fl-textfieldStepper-button"
},
model: {
disabled: false
},
events: {
onClick: null
},
listeners: {
"onCreate.bindClick": {
"this": "{that}.container",
"method": "click",
"args": "{that}.events.onClick.fire"
},
"onCreate.addLabel": {
"this": "{that}.container",
method: "attr",
args: ["aria-label", "{that}.options.strings.label"]
},
"onCreate.addContainerStyle": {
"this": "{that}.container",
method: "addClass",
args: ["{that}.options.styles.container"]
},
// removing from tab order as keyboard users will
// increment and decrement the stepper using the up/down arrow keys.
"onCreate.removeFromTabOrder": {
"this": "{that}.container",
method: "attr",
args: ["tabindex", "-1"]
}
},
modelListeners: {
disabled: {
"this": "{that}.container",
method: "prop",
args: ["disabled", "{change}.value"]
}
}
});
})(jQuery, fluid_3_0_0);
|