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re-add lost label getter and setter to fix not shown labels in buttons

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This commit is contained in:
ralf 2022-08-22 20:24:40 +02:00
parent b2d9e30b8d
commit 263f2c867f
1 changed files with 40 additions and 2 deletions
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42
api/js/etemplate/Et2Button/ButtonMixin.ts
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@ -114,7 +114,6 @@ export const ButtonMixin = <T extends Constructor>(superclass : T) => class exte
{ {
return { return {
...super.properties, ...super.properties,
label: {type: String},
image: {type: String}, image: {type: String},
/** /**
@ -152,6 +151,45 @@ export const ButtonMixin = <T extends Constructor>(superclass : T) => class exte
} }
protected firstUpdated(_changedProperties : PropertyValues)
{
super.firstUpdated(_changedProperties);
if(!this.label && this.__image)
{
/*
Label / no label should get special classes set, but they're missing without this extra requestUpdate()
This is a work-around for button--has-prefix & button--has-label not being set, something to do
with how we're setting them.
*/
this.updateComplete.then(() =>
{
this.requestUpdate();
});
}
}
set label(new_label : string)
{
this.updateComplete.then(() =>
{
if(!this._labelNode)
{
const textNode = document.createTextNode(new_label);
this.appendChild(textNode);
}
else
{
this._labelNode.textContent = new_label;
}
});
}
get label()
{
return this._labelNode?.textContent?.trim();
}
set image(new_image : string) set image(new_image : string)
{ {
let oldValue = this.__image; let oldValue = this.__image;
@ -354,4 +392,4 @@ export const ButtonMixin = <T extends Constructor>(superclass : T) => class exte
// array. // array.
return null; return null;
} }
} }