bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/whiteboard/whiteboard-toolbar/component.jsx

506 lines
17 KiB
JavaScript
Executable File

import React, { Component, PropTypes } from 'react';
import styles from './styles.scss';
import Button from '/imports/ui/components/button/component';
import cx from 'classnames';
import { findDOMNode } from 'react-dom';
export default class WhiteboardToolbar extends Component {
constructor(props) {
super(props);
this.state = {
//a variable to control which list is currently open
currentSubmenuOpen: '',
//variables to keep current selected draw settings
annotationSelected: {
icon: 'hand',
sessionValue: 'Hand',
},
thicknessSelected: {
iconRadius: 6,
sessionRadius: 6,
},
colorSelected: '#000000',
fontSizeSelected: 18,
//keeping the previous color and the thickness icon's radius selected for svg animation
prevColorSelected: '#000000',
prevIconRadius: 6,
//lists of tools/thickness/colors are not direct children of main toolbar buttons
//and we want the list to close when onBlur fires at the main toolbar button
//(click anywhere on the screen) thus we have to control the blur manually by disabling it
//when you hover over the buttons in the list and enabling when the mouse leaves the list
onBlurEnabled: true,
};
this.displaySubMenu = this.displaySubMenu.bind(this);
this.closeSubMenu = this.closeSubMenu.bind(this);
this.handleUndo = this.handleUndo.bind(this);
this.handleClearAll = this.handleClearAll.bind(this);
this.handleAnnotationChange = this.handleAnnotationChange.bind(this);
this.handleThicknessChange = this.handleThicknessChange.bind(this);
this.handleFontSizeChange = this.handleFontSizeChange.bind(this);
this.handleColorChange = this.handleColorChange.bind(this);
this.disableOnBlur = this.disableOnBlur.bind(this);
this.enableOnBlur = this.enableOnBlur.bind(this);
}
componentWillMount() {
//setting default or resetting current drawing settings in the session
const { annotationSelected, thicknessSelected, colorSelected, fontSizeSelected } = this.state;
this.props.setWhiteboardToolbarValues(
annotationSelected.sessionValue,
thicknessSelected.sessionRadius,
this.HEXToINTColor(colorSelected),
fontSizeSelected,
);
}
componentDidMount() {
//to let the whiteboard know that the presentation area's size has changed
window.dispatchEvent(new Event('resize'));
if(this.state.annotationSelected.sessionValue != "Text") {
//trigger initial animation on the thickness circle, otherwise it stays at 0
var node = findDOMNode(this.thicknessListIconRadius);
node.beginElement();
}
}
componentWillUnmount() {
//to let the whiteboard know that the presentation area's size has changed
window.dispatchEvent(new Event('resize'));
}
componentDidUpdate(prevProps, prevState) {
//check if thickness or color have changed and we need to trigger svg animation
if(this.state.thicknessSelected.iconRadius != prevState.thicknessSelected.iconRadius) {
var node1 = findDOMNode(this.thicknessListIconRadius);
node1.beginElement();
}
if(this.state.colorSelected != prevState.colorSelected) {
var node2 = findDOMNode(this.thicknessListIconColor);
var node3 = findDOMNode(this.colorListIconColor);
node2.beginElement();
node3.beginElement();
}
}
//open a submenu
displaySubMenu(listName) {
this.setState({
currentSubmenuOpen: this.state.currentSubmenuOpen == listName ? '' : listName,
});
}
//close a current submenu (fires onBlur only, when you click anywhere on the screen)
closeSubMenu() {
if(this.state.onBlurEnabled) {
this.setState({
currentSubmenuOpen: undefined,
});
}
}
//undo annotation
handleUndo() {
this.props.undoAnnotation(this.props.whiteboardId);
}
//clear all annotations
handleClearAll() {
this.props.clearWhiteboard(this.props.whiteboardId);
}
//changes a current selected annotation both in the state and in the session
//and closes the annotation list
handleAnnotationChange(annotation) {
const { thicknessSelected, colorSelected, fontSizeSelected } = this.state;
this.props.setWhiteboardToolbarValues(
annotation.sessionValue,
thicknessSelected.sessionRadius,
this.HEXToINTColor(colorSelected),
fontSizeSelected,
);
this.setState({
annotationSelected: annotation,
onBlurEnabled: true,
currentSubmenuOpen: '',
});
}
//changes a current selected thickness both in the state and in the session
//and closes the thickness list
handleThicknessChange(thicknessObj) {
const { annotationSelected, colorSelected, fontSizeSelected } = this.state;
this.props.setWhiteboardToolbarValues(
annotationSelected.sessionValue,
thicknessObj.sessionRadius,
this.HEXToINTColor(colorSelected),
fontSizeSelected,
);
this.setState({
prevIconRadius: this.state.thicknessSelected.iconRadius,
thicknessSelected: thicknessObj,
onBlurEnabled: true,
currentSubmenuOpen: '',
});
}
handleFontSizeChange(fontSizeObj) {
const { annotationSelected, colorSelected, thicknessSelected } = this.state;
this.props.setWhiteboardToolbarValues(
annotationSelected.sessionValue,
thicknessSelected.sessionRadius,
this.HEXToINTColor(colorSelected),
fontSizeObj.fontSize,
);
this.setState({
fontSizeSelected: fontSizeObj.fontSize,
onBlurEnabled: true,
currentSubmenuOpen: '',
});
}
//changes a current selected color both in the state and in the session
//and closes the color list
handleColorChange(color) {
const { annotationSelected, thicknessSelected, fontSizeSelected } = this.state;
this.props.setWhiteboardToolbarValues(
annotationSelected.sessionValue,
thicknessSelected.sessionRadius,
this.HEXToINTColor(color),
fontSizeSelected
);
this.setState({
prevColorSelected: this.state.colorSelected,
colorSelected: color,
onBlurEnabled: true,
currentSubmenuOpen: '',
});
}
HEXToINTColor(hexColor) {
var _rrggbb = hexColor.slice(1);
var rrggbb = _rrggbb.substr(0, 2) + _rrggbb.substr(2, 2) + _rrggbb.substr(4, 2);
return parseInt(rrggbb, 16);
}
//disabling onBlur flag when mouse is over the items in the lists
disableOnBlur() {
this.setState({
onBlurEnabled: false,
});
}
//enabling the onBlur flag when the mouse leaving the lists
enableOnBlur() {
this.setState({
onBlurEnabled: true,
});
}
renderAnnotationList() {
return (
<div className={cx(styles.annotationList, styles.toolbarList)}>
{ this.props.annotations? this.props.annotations.map((annotation, index) =>
<Button
label="Annotation"
hideLabel={true}
color={'default'}
icon={annotation.icon}
size={'md'}
className={cx(styles.toolbarListButton, this.state.annotationSelected.sessionValue == annotation.sessionRadius ? styles.selectedListButton : '')}
onClick={this.handleAnnotationChange.bind(null, annotation)}
onMouseEnter={this.disableOnBlur}
onMouseLeave={this.enableOnBlur}
key={index}
role="button"
/>
) : null}
</div>
);
}
renderFontSizeList() {
return (
<div className={cx(styles.fontSizeList, styles.toolbarList)}>
{this.props.fontSizes ? this.props.fontSizes.map((fontSizeObj, index) =>
<Button
hideLabel={true}
label="Radius"
color={'default'}
size={'md'}
className={cx(styles.toolbarListButton, styles.fontSizeListButton, this.state.fontSizeSelected == fontSizeObj.fontSize ? styles.selectedListButton : '')}
onClick={this.handleFontSizeChange.bind(null, fontSizeObj)}
onMouseEnter={this.disableOnBlur}
onMouseLeave={this.enableOnBlur}
key={index}
customIcon={
<p className={styles.textThickness} style={{fontSize: fontSizeObj.fontSize}}>
Aa
</p>
}
>
</Button>
) : null}
</div>
);
}
renderThicknessList() {
return (
<div className={cx(styles.thicknessList, styles.toolbarList)}>
{this.props.thicknessRadiuses ? this.props.thicknessRadiuses.map((thicknessObj, index) =>
<Button
label="Radius"
hideLabel={true}
color={'default'}
size={'md'}
className={cx(styles.toolbarListButton, this.state.thicknessSelected.sessionRadius == thicknessObj.sessionRadius ? styles.selectedListButton : '')}
onClick={this.handleThicknessChange.bind(null, thicknessObj)}
onMouseEnter={this.disableOnBlur}
onMouseLeave={this.enableOnBlur}
customIcon={
<svg className={styles.customSvgIcon}>
<circle cx="50%" cy="50%" r={thicknessObj.iconRadius} fill="#F3F6F9"/>
</svg>
}
key={index}
/>
) : null}
</div>
);
}
renderColorList() {
return (
<div className={cx(styles.colorList, styles.toolbarList)}>
{this.props.colors ? this.props.colors.map((color) =>
<Button
label="Color"
hideLabel={true}
color={'default'}
size={'md'}
className={cx(styles.toolbarListButton, this.state.colorSelected == color ? styles.selectedListButton : '')}
onClick={this.handleColorChange.bind(null, color)}
onMouseEnter={this.disableOnBlur}
onMouseLeave={this.enableOnBlur}
customIcon={
<svg className={styles.customSvgIcon}>
<rect x="20%" y="20%" width="60%" height="60%" fill={color}/>
</svg>
}
key={color}
role="button"
aria-labelledby={`${color}Label`}
aria-describedby={`${color}Descrip`}
/>
) : null}
</div>
);
}
render() {
return (
<div className={styles.toolbarContainer} style={{height: this.props.height}}>
<div className={styles.toolbarWrapper}>
<div className={styles.buttonWrapper}>
<Button
label="Tools"
hideLabel={true}
role="button"
color={'default'}
icon={this.state.annotationSelected.icon}
size={'md'}
onClick={this.displaySubMenu.bind(null, "annotationList")}
onBlur={this.closeSubMenu}
className={cx(styles.toolbarButton, this.state.currentSubmenuOpen == "annotationList" ? '' : styles.notActive)}
/>
{this.state.currentSubmenuOpen == "annotationList" ?
this.renderAnnotationList()
: null }
</div>
{this.state.annotationSelected.sessionValue == "Text" ?
<div className={styles.buttonWrapper}>
<Button
label="Thickness List"
hideLabel={true}
role="button"
color={'default'}
size={'md'}
onClick={this.displaySubMenu.bind(null, "fontSizeList")}
onBlur={this.closeSubMenu}
className={cx(styles.toolbarButton, this.state.currentSubmenuOpen == "fontSizeList" ? '' : styles.notActive)}
customIcon={
<p className={styles.textThickness} style={{fontSize: this.state.fontSizeSelected, color: this.state.colorSelected}}>
Aa
</p>
}
/>
{this.state.currentSubmenuOpen == "fontSizeList" ?
this.renderFontSizeList()
: null }
</div>
:
<div className={styles.buttonWrapper}>
<Button
label="Thickness List"
hideLabel={true}
role="button"
color={'default'}
size={'md'}
onClick={this.displaySubMenu.bind(null, "thicknessList")}
onBlur={this.closeSubMenu}
className={cx(styles.toolbarButton, this.state.currentSubmenuOpen == "thicknessList" ? '' : styles.notActive)}
customIcon={
<svg className={styles.customSvgIcon} shapeRendering="geometricPrecision">
<circle
shapeRendering="geometricPrecision"
cx="50%"
cy="50%"
stroke="black"
strokeWidth="1"
>
<animate
ref={(ref) => { this.thicknessListIconColor = ref; }}
attributeName="fill"
attributeType="XML"
from={this.state.prevColorSelected}
to={this.state.colorSelected}
begin={'indefinite'}
dur="0.4s"
repeatCount="0"
fill="freeze"
/>
<animate
ref={(ref) => { this.thicknessListIconRadius = ref; }}
attributeName="r"
attributeType="XML"
from={this.state.prevIconRadius}
to={this.state.thicknessSelected.iconRadius}
begin={'indefinite'}
dur="0.4s"
repeatCount="0"
fill="freeze"
/>
</circle>
</svg>
}
/>
{this.state.currentSubmenuOpen == "thicknessList" ?
this.renderThicknessList()
: null }
</div>
}
<div className={styles.buttonWrapper}>
<Button
label="Color List"
hideLabel={true}
role="button"
color={'default'}
size={'md'}
onClick={this.displaySubMenu.bind(null, "colorList")}
onBlur={this.closeSubMenu}
className={cx(styles.toolbarButton, this.state.currentSubmenuOpen == "colorList" ? '' : styles.notActive)}
customIcon={
<svg className={styles.customSvgIcon}>
<rect x="25%" y="25%" width="50%" height="50%" stroke="black" strokeWidth="1">
<animate
ref={(ref) => { this.colorListIconColor = ref; }}
attributeName="fill"
attributeType="XML"
from={this.state.prevColorSelected}
to={this.state.colorSelected}
begin={'indefinite'}
dur="0.4s"
repeatCount="0"
fill="freeze"
/>
</rect>
</svg>
}
/>
{this.state.currentSubmenuOpen == "colorList" ?
this.renderColorList()
: null }
</div>
<div className={styles.buttonWrapper}>
<Button
label="Undo Annotation"
hideLabel={true}
role="button"
color={'default'}
icon={'undo'}
size={'md'}
onClick={this.handleUndo}
className={cx(styles.toolbarButton, styles.notActive)}
/>
</div>
<div className={styles.buttonWrapper}>
<Button
label="Clear All Annotations"
hideLabel={true}
role="button"
color={'default'}
icon={'circle_close'}
size={'md'}
onClick={this.handleClearAll}
className={cx(styles.toolbarButton, styles.notActive)}
/>
</div>
</div>
</div>
);
}
}
const defaultProps = {
colors: [
'#000000', '#FFFFFF', '#FF0000', '#FF8800', '#CCFF00','#00FF00',
'#00FFFF', '#0088FF', '#0000FF', '#8800FF', '#FF00FF', '#C0C0C0'
],
thicknessRadiuses: [
{iconRadius: 14, sessionRadius: 30},
{iconRadius: 12, sessionRadius: 22},
{iconRadius: 10, sessionRadius: 15},
{iconRadius: 8, sessionRadius: 10},
{iconRadius: 6, sessionRadius:6},
{iconRadius: 4, sessionRadius: 3},
{iconRadius: 2, sessionRadius: 1}
],
annotations: [
{icon: 'text_tool', sessionValue: "Text"},
{icon: 'linte_tool', sessionValue:"Line"},
{icon: 'circle_tool', sessionValue: "Ellipse"},
{icon: 'triangle_tool', sessionValue: "Triangle"},
{icon: 'rectangle_tool', sessionValue: "Rectangle"},
{icon: 'pen_tool', sessionValue: "Pencil"},
{icon: 'hand', sessionValue: "Hand"}
],
fontSizes: [
{fontSize: 30},
{fontSize: 24},
{fontSize: 20},
{fontSize: 18},
{fontSize: 16},
{fontSize: 14},
{fontSize: 12},
],
};
WhiteboardToolbar.defaultProps = defaultProps;