Files
PyUIBuilder/src/frameworks/tkinter/widgets/label.js
2025-04-01 18:50:14 +05:30

311 lines
11 KiB
JavaScript

import { useEffect, useState } from "react"
import { Layouts } from "../../../canvas/constants/layouts"
import Tools from "../../../canvas/constants/tools"
import { convertObjectToKeyValueString } from "../../../utils/common"
import { getPythonAssetPath } from "../../utils/pythonFilePath"
import { ANCHOR } from "../constants/styling"
import { TkinterWidgetBase } from "./base"
class Label extends TkinterWidgetBase{
static widgetType = "label"
static displayName = "Label"
// static requiredCustomPyFiles = ["imageLabel"]
constructor(props) {
super(props)
this.state = {
...this.state,
widgetName: "Label",
size: { width: 80, height: 40 },
attrs: {
...this.state.attrs,
styling: {
...this.state.attrs.styling,
anchor: {
label: "Text align",
tool: Tools.SELECT_DROPDOWN,
options: ANCHOR.map((val) => ({value: val, label: val})),
value: "",
onChange: (value) => {
this.setAttrValue("styling.anchor", value)
this.setState((prevState) => ({
widgetInnerStyle: {
...prevState,
...this.getAnchorStyle(value)
}
}))
}
}
},
labelWidget: {
label: "Text",
tool: Tools.INPUT,
toolProps: {placeholder: "text", maxLength: 100},
value: "Label",
onChange: (value) => this.setAttrValue("labelWidget", value)
},
imageUpload: {
label: "Image",
tool: Tools.UPLOADED_LIST,
toolProps: {filterOptions: ["image/jpg", "image/jpeg", "image/png"]},
value: "",
onChange: (value) => this.setAttrValue("imageUpload", value)
},
imageSize: {
label: "Image size",
display: "horizontal",
// width: {
// label: "Width",
// tool: Tools.NUMBER_INPUT, // the tool to display, can be either HTML ELement or a constant string
// toolProps: { placeholder: "width", max: 3000, min: 1 },
// value: 150,
// onChange: (value) => this.setWidgetSize(value, null)
// },
// height: {
// label: "Height",
// tool: Tools.NUMBER_INPUT,
// toolProps: { placeholder: "height", max: 3000, min: 1 },
// value: 150,
// onChange: (value) => this.setWidgetSize(null, value)
// },
mode: {
label: "Image mode",
tool: Tools.SELECT_DROPDOWN,
options: ["fit", "cover"].map((val) => ({value: val, label: val})),
value: "cover",
onChange: (value) => {
this.setAttrValue("imageSize.mode", value)
}
}
},
}
}
}
componentDidMount(){
super.componentDidMount()
this.setAttrValue("styling.backgroundColor", "#E4E2E2")
// this.setWidgetName("label") // Don't do this this causes issues while loading data
}
getImports(){
const imports = super.getImports()
if (this.getAttrValue("imageUpload"))
imports.push("import os", "from PIL import Image, ImageTk", "from customWidgets.imageLabel import ImageLabel")
return imports
}
getRequiredCustomPyFiles(){
const requiredCustomFiles = super.getRequiredCustomPyFiles()
if (this.getAttrValue("imageUpload"))
requiredCustomFiles.push("imageLabel")
return requiredCustomFiles
}
getRequirements(){
const requirements = super.getRequirements()
if (this.getAttrValue("imageUpload"))
requirements.push("pillow")
return requirements
}
getConfigCode(){
const config = super.getConfigCode()
const anchor = this.getAttrValue("styling.anchor")
const fitWidth = this.state.fitContent.width
const fitHeight = this.state.fitContent.height
const {width, height} = this.getSize()
const {layout} = this.getParentLayout()
if (anchor)
config['anchor'] = `"${anchor}"`
// LABEL width and height are not pixel based instead its character based
// if (layout !== Layouts.PLACE){
// if (!fitWidth){
// config['width'] = width
// }
// if (!fitHeight){
// config['height'] = height
// }
// }
return config
}
generateCode(variableName, parent){
const labelText = this.getAttrValue("labelWidget")
const config = convertObjectToKeyValueString(this.getConfigCode())
const image = this.getAttrValue("imageUpload")
let labelInitialization = `${variableName} = tk.Label(master=${parent}, text="${labelText}")`
const code = []
if (image?.name){
// code.push(`${variableName}_img = Image.open(${getPythonAssetPath(image.name, "image")})`)
// code.push(`${variableName}_img = ImageTk.PhotoImage(${variableName}_img)`)
// code.push("\n")
labelInitialization = `${variableName} = ImageLabel(master=${parent}, image_path=${getPythonAssetPath(image.name, "image")}, text="${labelText}", compound=tk.TOP, mode="${this.getAttrValue("imageSize.mode")}")`
}
// code.push("\n")
code.push(labelInitialization)
return [
...code,
`${variableName}.config(${config})`,
`${variableName}.${this.getLayoutCode()}`
]
}
getToolbarAttrs(){
const toolBarAttrs = super.getToolbarAttrs()
return ({
id: this.__id,
widgetName: toolBarAttrs.widgetName,
labelWidget: this.state.attrs.labelWidget,
size: toolBarAttrs.size,
...this.state.attrs,
})
}
getAnchorStyle = (anchor) => {
const anchorStyles = {
n: { justifyContent: 'center', alignItems: 'flex-start' },
s: { justifyContent: 'center', alignItems: 'flex-end' },
e: { justifyContent: 'flex-end', alignItems: 'center' },
w: { justifyContent: 'flex-start', alignItems: 'center' },
ne: { justifyContent: 'flex-end', alignItems: 'flex-start' },
se: { justifyContent: 'flex-end', alignItems: 'flex-end' },
nw: { justifyContent: 'flex-start', alignItems: 'flex-start' },
sw: { justifyContent: 'flex-start', alignItems: 'flex-end' },
center: { justifyContent: 'center', alignItems: 'center' }
}
return anchorStyles[anchor] || anchorStyles["center"];
}
renderContent(){
//FIXME: label image causing issues
const image = this.getAttrValue("imageUpload")
const imageMode = this.getAttrValue("imageSize.mode") || "cover"
const imgClassName = imageMode === "fit" ? "tw-object-contain" : (imageMode === "cover" ? "tw-object-cover" : "")
return (
<div className="tw-flex tw-flex-col tw-w-full tw-relative tw-content-start tw-h-full tw-rounded-md tw-overflow-hidden"
// style={{
// flexGrow: 1, // Ensure the content grows to fill the parent
// minWidth: '100%', // Force the width to 100% of the parent
// minHeight: '100%', // Force the height to 100% of the parent
// }}
>
<div className="tw-p-2 tw-w-full tw-h-full tw-overflow-hidden tw-flex tw-place-content-center tw-place-items-center"
ref={this.styleAreaRef}
style={this.getInnerRenderStyling()}>
{/* {this.props.children} */}
{
image ? (
<div className="tw-relative tw-w-full tw-h-full tw-overflow-hidden">
<img src={image.previewUrl}
className={`${imgClassName}`}
alt={this.getAttrValue("widgetName")}
style={{
width: "100%",
height: "100%",
position: "absolute",
top: '0px',
left: '0px',
}}
// className="tw-object-cover"
/>
</div>
) : null
}
<div className={`tw-flex ${!image ? "tw-w-full tw-h-full" : ""}`} style={{
color: this.getAttrValue("styling.foregroundColor"),
...this.getAnchorStyle(this.getAttrValue("styling.anchor"))
}}>
{this.getAttrValue("labelWidget")}
</div>
</div>
</div>
)
}
}
function LabelImage({imageSrc, alt, styleAreaRef}){
const [size, setSize] = useState({
width: 0,
height: 0
})
useEffect(() => {
if (!styleAreaRef.current) return;
// Function to update size
const updateSize = () => {
const boundingBox = styleAreaRef.current.getBoundingClientRect();
setSize({ width: boundingBox.width, height: boundingBox.height });
};
// Initial size update
updateSize();
// Observe size changes
const resizeObserver = new ResizeObserver(updateSize);
resizeObserver.observe(styleAreaRef.current);
return () => resizeObserver.disconnect();
}, [styleAreaRef])
return (
<img src={imageSrc} alt={alt} className="tw-object-cover"
style={{
position: "absolute",
top: '0px',
left: '0px',
width: "100%", // Prevent overflow
height: "100%", // Prevent overflow
}}
/>
)
}
export default Label