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mdui_patched/components/segmented-button/segmented-button.js

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+import { __decorate } from "tslib";
+import { html } from 'lit';
+import { customElement, property } from 'lit/decorators.js';
+import { createRef, ref } from 'lit/directives/ref.js';
+import cc from 'classcat';
+import { HasSlotController } from '@mdui/shared/controllers/has-slot.js';
+import { booleanConverter } from '@mdui/shared/helpers/decorator.js';
+import { nothingTemplate } from '@mdui/shared/helpers/template.js';
+import { uniqueId } from '@mdui/shared/helpers/uniqueId.js';
+import '@mdui/shared/icons/check.js';
+import { ButtonBase } from '../button/button-base.js';
+import '../icon.js';
+import { segmentedButtonStyle } from './segmented-button-style.js';
+/**
+ * @summary 分段按钮项组件。需配合 `<mdui-segmented-button-group>` 组件使用
+ *
+ * ```html
+ * <mdui-segmented-button-group>
+ * ..<mdui-segmented-button>Day</mdui-segmented-button>
+ * ..<mdui-segmented-button>Week</mdui-segmented-button>
+ * ..<mdui-segmented-button>Month</mdui-segmented-button>
+ * </mdui-segmented-button-group>
+ * ```
+ *
+ * @event focus - 获得焦点时触发
+ * @event blur - 失去焦点时触发
+ * @event invalid - 表单字段验证未通过时触发
+ *
+ * @slot - 分段按钮项的文本内容
+ * @slot icon - 分段按钮项的左侧图标
+ * @slot selected-icon - 选中状态的左侧图标
+ * @slot end-icon - 分段按钮项的右侧图标
+ *
+ * @csspart button - 内部的 `<button>` 或 `<a>` 元素
+ * @csspart icon - 左侧的图标
+ * @csspart selected-icon - 选中状态的左侧图标
+ * @csspart end-icon - 右侧的图标
+ * @csspart label - 文本内容
+ * @csspart loading - 加载中状态的 `<mdui-circular-progress>` 元素
+ */
+let SegmentedButton = class SegmentedButton extends ButtonBase {
+    constructor() {
+        super(...arguments);
+        /**
+         * 是否选中该分段按钮项，由 <mdui-segmented-button-group> 组件控制该参数
+         */
+        this.selected = false;
+        /**
+         * 是否验证未通过。由 <mdui-segmented-button-group> 控制该参数
+         */
+        this.invalid = false;
+        // 父组件中是否设置了禁用。由 <mdui-segmented-button-group> 控制该参数
+        this.groupDisabled = false;
+        // 每一个 segmented-button 元素都添加一个唯一的 key
+        this.key = uniqueId();
+        this.rippleRef = createRef();
+        this.hasSlotController = new HasSlotController(this, '[default]', 'icon', 'end-icon');
+    }
+    get rippleElement() {
+        return this.rippleRef.value;
+    }
+    get rippleDisabled() {
+        return this.isDisabled() || this.loading;
+    }
+    get focusDisabled() {
+        return this.isDisabled() || this.loading;
+    }
+    render() {
+        const className = cc({
+            button: true,
+            'has-icon': this.icon ||
+                this.selected ||
+                this.loading ||
+                this.hasSlotController.test('icon'),
+            'has-end-icon': this.endIcon || this.hasSlotController.test('end-icon'),
+        });
+        return html `<mdui-ripple ${ref(this.rippleRef)} .noRipple="${this.noRipple}"></mdui-ripple>${this.isButton()
+            ? this.renderButton({
+                className,
+                part: 'button',
+                content: this.renderInner(),
+            })
+            : this.isDisabled() || this.loading
+                ? html `<span part="button" class="_a ${className}">${this.renderInner()}</span>`
+                : this.renderAnchor({
+                    className,
+                    part: 'button',
+                    content: this.renderInner(),
+                })}`;
+    }
+    isDisabled() {
+        return this.disabled || this.groupDisabled;
+    }
+    renderIcon() {
+        if (this.loading) {
+            return this.renderLoading();
+        }
+        if (this.selected) {
+            return html `<slot name="selected-icon" part="selected-icon" class="selected-icon">${this.selectedIcon
+                ? html `<mdui-icon name="${this.selectedIcon}" class="i"></mdui-icon>`
+                : html `<mdui-icon-check class="i"></mdui-icon-check>`}</slot>`;
+        }
+        return html `<slot name="icon" part="icon" class="icon">${this.icon
+            ? html `<mdui-icon name="${this.icon}" class="i"></mdui-icon>`
+            : nothingTemplate}</slot>`;
+    }
+    renderLabel() {
+        const hasLabel = this.hasSlotController.test('[default]');
+        if (!hasLabel) {
+            return nothingTemplate;
+        }
+        return html `<slot part="label" class="label"></slot>`;
+    }
+    renderEndIcon() {
+        return html `<slot name="end-icon" part="end-icon" class="end-icon">${this.endIcon
+            ? html `<mdui-icon name="${this.endIcon}" class="i"></mdui-icon>`
+            : nothingTemplate}</slot>`;
+    }
+    renderInner() {
+        return [this.renderIcon(), this.renderLabel(), this.renderEndIcon()];
+    }
+};
+SegmentedButton.styles = [
+    ButtonBase.styles,
+    segmentedButtonStyle,
+];
+__decorate([
+    property({ reflect: true })
+], SegmentedButton.prototype, "icon", void 0);
+__decorate([
+    property({ reflect: true, attribute: 'end-icon' })
+], SegmentedButton.prototype, "endIcon", void 0);
+__decorate([
+    property({ reflect: true, attribute: 'selected-icon' })
+], SegmentedButton.prototype, "selectedIcon", void 0);
+__decorate([
+    property({
+        type: Boolean,
+        reflect: true,
+        converter: booleanConverter,
+    })
+], SegmentedButton.prototype, "selected", void 0);
+__decorate([
+    property({
+        type: Boolean,
+        reflect: true,
+        converter: booleanConverter,
+    })
+], SegmentedButton.prototype, "invalid", void 0);
+__decorate([
+    property({
+        type: Boolean,
+        reflect: true,
+        converter: booleanConverter,
+        attribute: 'group-disabled',
+    })
+], SegmentedButton.prototype, "groupDisabled", void 0);
+SegmentedButton = __decorate([
+    customElement('mdui-segmented-button')
+], SegmentedButton);
+export { SegmentedButton };