日历应用日程卡片 - 不同规格卡片的集成实现

"extensionAbilities": [ 
{ 
  "name": "AllFormAbility", 
  "srcEntry": "./ets/abilities/form/AllFormAbility.ets", 
  "label": "$string:form_DayFormAbility_label", 
  "description": "$string:day_form_description", 
  "type": "form", 
  "metadata": [ 
    { 
      "name": "ohos.extension.form", 
      "resource": "$profile:form_config_all" 
    } 
  ] 
} 
]

{ 
  "forms" : [ 
    2x2 .. 2x4 
        ... 
      { 
          "name" : "AgendaCard4x4", 
          "description" : "$string:AgendaCard_Proximity_Agenda", 
          "src" : "./ets/widget/form/AgendaCardView4x4.ets", 
          "uiSyntax" : "arkts", 
          "window" : { 
              "designWidth" : 720, 
              "autoDesignWidth" : true 
          }, 
          "colorMode" : "auto", 
          "isDefault" : true, 
          "updateEnabled" : true, 
          "scheduledUpdateTime" : "00:00", 
          "updateDuration" : 1, 
          "formVisibleNotify" : true, 
          "defaultDimension" : "4*4", 
          "supportDimensions" : [ 
              "4*4" 
          ], 
          "dataProxyEnabled" : true 
      } 
  ] 
}

class AllFormAbility extends FormExtensionAbility { 
onAddForm(want: Want) { 
  Log.info(TAG, `onAddForm, want: ${JSON.stringify(want)}`); 
  return this.getFormProcessByWant(want).onAddForm(this.context, want); // -- 根据名称来匹配创建不同规格卡片 
} 
​ 
onCastToNormalForm(formId: string): FormExtensionCallback { 
  Log.info(TAG, `onCastToNormalForm, formId: ${formId}`); 
  return this.getFormProcess(formId).onCastToNormalForm(this.context, formId); 
} 
​ 
onUpdateForm(formId: string): FormExtensionCallback | undefined { 
  return; 
} 
private getFormProcessByWant(want: Want): FormExtensionCallback { 
let wantParam = want.parameters; 
let formId: string = ''; 
let formName: string = ''; 
let formSize: number = 0; 
if (wantParam !== null && wantParam !== undefined) { 
  formId = wantParam[formInfo.FormParam.IDENTITY_KEY] as string; 
  formName = wantParam[formInfo.FormParam.NAME_KEY] as string; 
  formSize = wantParam[formInfo.FormParam.DIMENSION_KEY] as number; 
} 
... 
} ... 
}

export default interface FormExtensionCallback { 
onAddForm(context: Context, want: Want): formBindingData.FormBindingData; 
​ 
onCastToNormalForm(context: Context, formId: string); 
​ 
onUpdateForm(context: Context, formId: string); 
​ 
onChangeFormVisibility(context: Context, newStatus: Record<string, number>); 
​ 
onFormEvent(context: Context, formId: string, message: string); 
​ 
onRemoveForm(context: Context, formId: string); 
​ 
onAcquireFormState(context: Context, want: Want): formInfo.FormState; 
}

export default class AgendaCardController4x4 implements FormExtensionCallback { 
static FORM_NAME: string = 'AgendaCard4x4';   -- 名称匹配配置文件中的卡片名称 
​ 
onAddForm(context: Context, want: Want) { 
  Log.info(TAG, `onAddForm, want: ${JSON.stringify(want)}`); 
  const dsOptions: dataShare.DataShareHelperOptions = { 
    isProxy: true 
  }; 
  let temp = want.parameters; 
  let subscriberId: string = ''; 
  if (temp) { 
    subscriberId = temp['ohos.extra.param.key.form_identity'] as string 
  } 
  const formData: Record<string, Object> = {}; 
  const template: dataShare.Template = { 
    predicates: { 
      'agendaObjList': QUERY_VALID_AGENDA_SQL 
    }, 
    scheduler: REFRESH_CARD_SQL 
  }; 
  const proxies: Array<formBindingData.ProxyData> = [ 
    { 
      'key': PROXY_URI_CALENDAR, 
      'subscriberId': subscriberId 
    } 
  ]; 
​ 
  dataShare.createDataShareHelper(context, PROXY_URI, dsOptions).then((dataShareHelper) => { 
    Log.info(TAG, 'DataShare createDataShareHelper, subscriberId ' + subscriberId); 
    dataShareHelper.addTemplate(PROXY_URI_CALENDAR, subscriberId, template); 
  }) 
​ 
  let formBinding: formBindingData.FormBindingData = formBindingData.createFormBindingData(formData); 
  formBinding['proxies'] = proxies; 
  ReportUtil.reportStatisticEvent(statisticEvents.useCardCreateDay44); 
  return formBinding; 
} 
... 
} 
     
问题1得到解决： 
// sql返回需要展示的数据 
const QUERY_VALID_AGENDA_SQL: string = `SELECT Instances._id AS id,event_id,begin,end,startDay,endDay,startMinute` + 
`,endMinute,title,allDay,eventLocation,calendar_id,calendar_color,service_verified,service_type` + 
`,service_cp_bz_uri FROM Instances INNER JOIN Events ON (Instances.event_id=Events._id) INNER JOIN Calendars ` + 
`ON (Events.calendar_id = Calendars._id) WHERE visible = 1 ` + 
`AND (begin < strftime('%s', datetime('now', 'localtime', 'start of day'), 'UTC') * 1000 + ` + 
`${DateUtil.DAY_PER_WEEK * DateUtil.ONE_DAY_TIMESTAMP} ` + 
`AND end > strftime('%s', datetime('now', 'localtime'), 'UTC') * 1000) ` + 
`AND important_event_type = 0 ` + 
`ORDER BY startDay ASC limit 20`; 
​ 
​ 
问题2得到解决： 
// 卡片刷新时间计算 sql：会议日程提前 10 分钟，日程过期，每天 0 点 
const REFRESH_CARD_SQL: string = `SELECT remindTimer(MIN(min_time) * 1000) FROM (` + 
`SELECT MIN(end / 1000) AS min_time FROM Instances INNER JOIN Events ` + 
`ON (Instances.event_id=Events._id) WHERE (end / 1000) > ABS(strftime('%s', datetime('now', 'localtime'), 'UTC')) ` + 
`UNION ` + 
`SELECT MIN((begin - 10 * ${DateUtil.ONE_MINUTE_TIMESTAMP}) / 1000) AS min_time FROM Instances INNER JOIN Events ` + 
`ON (Instances.event_id=Events._id) WHERE (service_type = 'Meeting') ` + 
`AND ((begin - 10 * ${DateUtil.ONE_MINUTE_TIMESTAMP}) / 1000) > ABS(strftime('%s', datetime('now', 'localtime'), 'UTC')) ` + 
`UNION ` + 
`SELECT ABS(strftime('%s', datetime('now', 'localtime', 'start of day'), 'UTC')) + ` + 
`${DateUtil.ONE_DAY_TIMESTAMP} / 1000 as min_time)`; 
AgendaCardView4x4 表单ui：