eriklumme
eriklumme
/ ThemeBoostrapListener.java
Last active
June 14, 2021 13:25
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| @Component | |
| public class ThemeBoostrapListener implements | |
| VaadinServiceInitListener, IndexHtmlRequestListener { | |
| @Override | |
| public void serviceInit(ServiceInitEvent event) { | |
| event.addIndexHtmlRequestListener(this); | |
| } | |
| @Override |
eriklumme
/ Theme.java
Last active
June 14, 2021 13:24
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| public enum ThemeVariant { | |
| STANDARD("Standard"), CARROT_INC("Carrot Inc"), CLEAN("Clean"); | |
| private final String caption; | |
| Theme(String caption) { | |
| this.caption = caption; | |
| } | |
| public String getCaption() { |
eriklumme
/ ThemeUtil.java
Last active
June 14, 2021 18:57
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| public class ThemeUtil { | |
| private static final String THEME_ATTRIBUTE = "theme"; | |
| public static void selectThemeVariant(ThemeVariant themeVariant) { | |
| VaadinSession.getCurrent().setAttribute(THEME_ATTRIBUTE, themeVariant); | |
| UI ui = UI.getCurrent(); | |
| ui.getElement().setAttribute(THEME_ATTRIBUTE, themeVariant.getAttribute()); | |
| } |
eriklumme
/ TreeGridView.java
Last active
January 7, 2021 14:01
A demonstration of how a Vaadin TreeGrid can be used to show details about an item selected in a Grid.
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| package org.vaadin.erik; | |
| import com.vaadin.flow.component.AbstractField; | |
| import com.vaadin.flow.component.HasValue; | |
| import com.vaadin.flow.component.grid.Grid; | |
| import com.vaadin.flow.component.orderedlayout.HorizontalLayout; | |
| import com.vaadin.flow.component.orderedlayout.VerticalLayout; | |
| import com.vaadin.flow.component.treegrid.TreeGrid; | |
| import com.vaadin.flow.data.provider.hierarchy.TreeData; | |
| import com.vaadin.flow.data.provider.hierarchy.TreeDataProvider; |
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| <custom-style><style include="lumo-color"></style></custom-style> | |
| <custom-style><style include="lumo-typography"></style></custom-style> | |
| ... | |
| <body theme="dark"> |
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| private removeButtonRenderer: Function = this.renderRemoveButton.bind(this); | |
| ... | |
| <vaadin-grid-column text-align="end" .renderer=${this.removeButtonRenderer}></vaadin-grid-column> |
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| private renderRemoveButton(root: any, _column: any, rowData: any) { | |
| render( | |
| html`<vaadin-button @click=${() => this.onRemoveFromList(rowData.item.symbol)}>Remove</vaadin-button>`, | |
| root | |
| ); | |
| } |
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| private onRemoveFromList(symbol: string) { | |
| StockService.removeStock({ symbol }).then(_ => this.updateGrid()); | |
| } |
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| <vaadin-button theme="primary" @click=${this.onAddToList}>Add stock</vaadin-button> | |
| ... | |
| private onAddToList() { | |
| let symbol = this.stockSearchBox.selectedItem?.symbol; | |
| if (symbol) { | |
| StockService.addStock({ symbol }).then(_ => this.updateGrid()); | |
| } |
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| <vaadin-horizontal-layout theme="spacing" style="align-items: baseline"> | |
| <vaadin-combo-box | |
| @filter-changed=${this.onStockSearchStringChanged} | |
| .renderer=${this.renderSearchBoxItems} | |
| id="stock-search" | |
| label="Search for a stock symbol" | |
| item-label-path="symbol"> | |
| </vaadin-combo-box> | |
| <vaadin-button theme="primary">Add stock</vaadin-button> | |
| </vaadin-horizontal-layout> |