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我試圖從here實現Angular2-text-ticker-directiv,但它不起作用。我得到了div,div是空的,沒有滾動文字。Angular2-text-ticker-directive在離子2項目中不起作用
對於測試,我將示例代碼添加到我的項目中進行測試。
<ion-avatar item-left>
<span class="story-username">{{getUsername()}}</span>
<ion-icon name="icon-mapporia-edit" role="img" class="icon icon-ios ion-ios-icon-mapporia-edit story-edit" aria-label="icon mapporia-edit" ng-reflect-name="icon-mapporia-edit"></ion-icon>
<p class="story-location">{{story.location}}</p>
<div class="tickerContainer myStyles">
<div ticker [trigger]="'auto'" [text]="'A statically-typed, long string'" [speed]="50" [padding-right]="40" [size]="20"></div>
</div>
<p class="story-time">{{calculatePostedTime()}}</p>
<rating [(ngModel)]="story.ratingAvarege" readOnly="true" max="5" emptyStarIconName="star-outline" halfStarIconName="star-half" starIconName="star" nullable="false"></rating>
<p class="story-subject">{{story.subject}}</p>
</ion-avatar>
<li class="thumnail-list" *ngFor="let image of story.images">
<img-loader [src]="image" [spinner]="true" class="thumnails" alt="Story Image" id="story-image">
</img-loader>
</li>
我加入了<div id="ghost"></div>
調用我的自定義指令(露面)面前:
<div class="profileDetails">
<story-summary *ngFor="let story of myStories" [story]="story" (click)="readStory(story)" class="story"></story-summary>
</div>
我還包括給定的CSS:
.tickerContainer {
overflow-x: hidden;
overflow-y: scroll;
white-space: nowrap;
}
#ghost {
display: inline-block;
height: 0;
position: absolute;
}
.myStyles {
background: #eee;
color: blue;
border: 1px solid #ddd;
max-width: 200px;
cursor: pointer;
}
如果有人有經驗的幫我解決這個問題。 thnx
我發現了一個bug。 請修正以下給出的方法:
getTextWidth(): number {
let t = this.r.createElement(document.getElementById('ghost'), 'div');
// this.r.setText(t, this.text); // not working, oddly
t.innerHTML = this.text; // quick fix
this.r.setElementStyle(t, 'font-size', this.size + 'px');
let w = t.offsetWidth;
t.innerHTML = '';
return w;
}
雖然此鏈接可能回答問題,但最好在此處包含答案的基本部分並提供供參考的鏈接。如果鏈接頁面更改,則僅鏈接答案可能會失效。 - [來自評論](/ review/low-quality-posts/17412283) – Tsyvarev
感謝您的建議@ g00glen00b,我編輯了我的回答 –
@sumanpichhode看起來好多了,謝謝編輯! – g00glen00b