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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
const {
PureComponent,
const {
isKeyIn,
const {
MIN_VIEWPORT_DIMENSION,
class ViewportDimension extends PureComponent {
static get propTypes() {
return {
doResizeViewport: PropTypes.func.isRequired,
onRemoveDeviceAssociation: PropTypes.func.isRequired,
viewport: PropTypes.shape(Types.viewport).isRequired,
};
}
constructor(props) {
super(props);
const { width, height } = props.viewport;
this.state = {
width,
height,
isEditing: false,
isWidthValid: true,
isHeightValid: true,
};
this.isInputValid = this.isInputValid.bind(this);
this.onInputBlur = this.onInputBlur.bind(this);
this.onInputChange = this.onInputChange.bind(this);
this.onInputFocus = this.onInputFocus.bind(this);
this.onInputKeyDown = this.onInputKeyDown.bind(this);
this.onInputKeyUp = this.onInputKeyUp.bind(this);
this.onInputSubmit = this.onInputSubmit.bind(this);
}
UNSAFE_componentWillReceiveProps(nextProps) {
const { width, height } = nextProps.viewport;
this.setState({
width,
height,
});
}
/**
* Return true if the given value is a number and greater than MIN_VIEWPORT_DIMENSION
* and false otherwise.
*/
isInputValid(value) {
return (
/^\d{2,4}$/.test(value) && parseInt(value, 10) >= MIN_VIEWPORT_DIMENSION
);
}
onInputBlur() {
const { width, height } = this.props.viewport;
if (this.state.width != width || this.state.height != height) {
this.onInputSubmit();
}
this.setState({ isEditing: false });
}
onInputChange({ target }, callback) {
if (target.value.length > 4) {
return;
}
if (this.widthInput == target) {
this.setState(
{
width: target.value,
isWidthValid: this.isInputValid(target.value),
},
callback
);
}
if (this.heightInput == target) {
this.setState(
{
height: target.value,
isHeightValid: this.isInputValid(target.value),
},
callback
);
}
}
onInputFocus(e) {
this.setState({ isEditing: true });
e.target.select();
}
onInputKeyDown(event) {
const increment = getIncrement(event);
if (!increment) {
return;
}
const { target } = event;
target.value = parseInt(target.value, 10) + increment;
this.onInputChange(event, this.onInputSubmit);
// Keep this event from having default processing. Since the field is a
// number field, default processing would trigger additional manipulations
// of the value, and we've already applied the desired amount.
event.preventDefault();
}
onInputKeyUp({ target, keyCode }) {
// On Enter, submit the input
if (keyCode == 13) {
this.onInputSubmit();
}
// On Esc, blur the target
if (keyCode == 27) {
target.blur();
}
}
onInputSubmit() {
const { viewport, onRemoveDeviceAssociation, doResizeViewport } =
this.props;
if (!this.state.isWidthValid || !this.state.isHeightValid) {
const { width, height } = viewport;
this.setState({
width,
height,
isWidthValid: true,
isHeightValid: true,
});
return;
}
// Change the device selector back to an unselected device
if (viewport.device) {
onRemoveDeviceAssociation(viewport.id);
}
doResizeViewport(
viewport.id,
parseInt(this.state.width, 10),
parseInt(this.state.height, 10)
);
}
render() {
return dom.div(
{
className:
"viewport-dimension" +
(this.state.isEditing ? " editing" : "") +
(!this.state.isWidthValid || !this.state.isHeightValid
? " invalid"
: ""),
},
dom.input({
ref: input => {
this.widthInput = input;
},
className:
"text-input viewport-dimension-input" +
(this.state.isWidthValid ? "" : " invalid"),
size: 4,
type: "number",
value: this.state.width,
onBlur: this.onInputBlur,
onChange: this.onInputChange,
onFocus: this.onInputFocus,
onKeyDown: this.onInputKeyDown,
onKeyUp: this.onInputKeyUp,
}),
dom.span(
{
className: "viewport-dimension-separator",
},
"×"
),
dom.input({
ref: input => {
this.heightInput = input;
},
className:
"text-input viewport-dimension-input" +
(this.state.isHeightValid ? "" : " invalid"),
size: 4,
type: "number",
value: this.state.height,
onBlur: this.onInputBlur,
onChange: this.onInputChange,
onFocus: this.onInputFocus,
onKeyDown: this.onInputKeyDown,
onKeyUp: this.onInputKeyUp,
})
);
}
}
/**
* Get the increment/decrement step to use for the provided key event.
*/
function getIncrement(event) {
const defaultIncrement = 1;
const largeIncrement = 100;
const mediumIncrement = 10;
let increment = 0;
const key = event.keyCode;
if (isKeyIn(key, "UP", "PAGE_UP")) {
increment = 1 * defaultIncrement;
} else if (isKeyIn(key, "DOWN", "PAGE_DOWN")) {
increment = -1 * defaultIncrement;
}
if (event.shiftKey) {
if (isKeyIn(key, "PAGE_UP", "PAGE_DOWN")) {
increment *= largeIncrement;
} else {
increment *= mediumIncrement;
}
}
return increment;
}
module.exports = ViewportDimension;