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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | 2x 2x 2x 2x 2x 2x 2x 2x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 2x | import CustomElement from "../../custom-element/CustomElement";
import getStyle from "../../custom-element/helpers/css/style/getStyle";
import defineCustomElement from "../../custom-element/helpers/defineCustomElement";
import { CustomElementPropertyMetadata } from "../../custom-element/interfaces";
import SelectionContainerMixin from "../../custom-element/mixins/components/selection-container/SelectionContainerMixin";
import DataHolderMixin from "../../custom-element/mixins/data/DataHolderMixin";
import html from "../../renderer/html";
import { NodePatchingData } from "../../renderer/NodePatcher";
const defaultItemStyle = `
list-style-type: none;
`;
export default class DataList extends
SelectionContainerMixin(
DataHolderMixin(
CustomElement
)
) {
static get properties(): Record<string, CustomElementPropertyMetadata> {
return {
/**
* The name of the field to extract the value to display on each item
*/
displayField: {
attribute: 'display-field',
type: String
},
/**
* The style of each list item
*/
itemStyle: {
attribute: 'item-style',
type: [String, Object, Function]
},
/**
* The template to render the item
*/
itemTemplate: {
attribute: 'item-template',
type: Function,
defer: true // Store the function itself instead of executing it to get its return value when initializing the property
}
};
}
render(): NodePatchingData {
return html`<ul>
${this.renderItems()}
</ul>`;
}
renderItems(): NodePatchingData {
const {
data,
idField
} = this;
return data.map(record => {
const id = record[idField];
return html`<li key=${id} style=${this.getItemStyle()}>
<gcl-selectable selectable=${this.selectable} select-value=${record}>${this.renderItem(record)}</gcl-selectable>
</li>`;
});
}
getItemStyle(): string {
const {
itemStyle
} = this;
Eif (itemStyle === undefined) {
return defaultItemStyle;
}
if (typeof itemStyle === 'string') {
return `${defaultItemStyle} ${itemStyle}`;
}
else { // Assume it is an object
return `${defaultItemStyle} ${getStyle(itemStyle)}`;
}
}
renderItem(record: Record<string, any>): NodePatchingData {
const {
displayField,
itemTemplate
} = this;
Eif (itemTemplate === undefined) {
return html`${record[displayField]}`;
}
else {
return itemTemplate(record);
}
}
}
defineCustomElement('gcl-data-list', DataList); |