Examples
ここでは、Messagesと一緒に使用できるMessagesページの完全な例を紹介します。
<Page>
<Navbar title="Messages" />
<Messagebar
placeholder={placeholder}
attachmentsVisible={attachmentsVisible}
sheetVisible={sheetVisible}
value={messageText}
onInput={(e) => messageText = e.target.value}
>
<a class="link icon-only" slot="inner-start" on:click={() => sheetVisible = !sheetVisible}>
<Icon
ios="f7:camera_fill"
aurora="f7:camera_fill"
md="material:camera_alt"
/>
</a>
<a class="link icon-only" slot="inner-end" on:click={sendMessage}>
<Icon
ios="f7:arrow_up_circle_fill"
aurora="f7:arrow_up_circle_fill"
md="material:send"
/>
</a>
<MessagebarAttachments>
{#each attachments as image, index (index)}
<MessagebarAttachment
key={index}
image={image}
onAttachmentDelete={() => deleteAttachment(image)}
></MessagebarAttachment>
{/each}
</MessagebarAttachments>
<MessagebarSheet>
{#each images as image, index (index)}
<MessagebarSheetImage
key={index}
image={image}
checked={attachments.indexOf(image) >= 0}
onChange={handleAttachment}
></MessagebarSheetImage>
{/each}
</MessagebarSheet>
</Messagebar>
<Messages>
<MessagesTitle><b>Sunday, Feb 9,</b> 12:58</MessagesTitle>
{#each messagesData as message, index (index)}
<Message
type={message.type}
image={message.image}
name={message.name}
avatar={message.avatar}
first={isFirstMessage(message, index)}
last={isLastMessage(message, index)}
tail={isTailMessage(message, index)}
htmlText={message.text}
/>
{/each}
{#if typingMessage}
<Message
type="received"
typing={true}
first={true}
last={true}
tail={true}
header={`${typingMessage.name} is typing`}
avatar={typingMessage.avatar}
></Message>
{/if}
</Messages>
</Page>
<script>
import { onMount } from 'svelte';
import {
f7,
f7ready,
App,
View,
Navbar,
Page,
Messages,
MessagesTitle,
Message,
Messagebar,
Icon,
MessagebarAttachments,
MessagebarAttachment,
MessagebarSheet,
MessagebarSheetImage,
} from 'framework7-svelte';
let messagebarInstance;
let attachments = [];
let sheetVisible = false;
let typingMessage = null;
let messageText = '';
let messagesData = [
{
type: 'sent',
text: 'Hi, Kate',
},
{
type: 'sent',
text: 'How are you?',
},
{
name: 'Kate',
type: 'received',
text: 'Hi, I am good!',
avatar: 'https://cdn.framework7.io/placeholder/people-100x100-9.jpg',
},
{
name: 'Blue Ninja',
type: 'received',
text: 'Hi there, I am also fine, thanks! And how are you?',
avatar: 'https://cdn.framework7.io/placeholder/people-100x100-7.jpg',
},
{
type: 'sent',
text: 'Hey, Blue Ninja! Glad to see you ;)',
},
{
type: 'sent',
text: 'Hey, look, cutest kitten ever!',
},
{
type: 'sent',
image: 'https://cdn.framework7.io/placeholder/cats-200x260-4.jpg',
},
{
name: 'Kate',
type: 'received',
text: 'Nice!',
avatar: 'https://cdn.framework7.io/placeholder/people-100x100-9.jpg',
},
{
name: 'Kate',
type: 'received',
text: 'Like it very much!',
avatar: 'https://cdn.framework7.io/placeholder/people-100x100-9.jpg',
},
{
name: 'Blue Ninja',
type: 'received',
text: 'Awesome!',
avatar: 'https://cdn.framework7.io/placeholder/people-100x100-7.jpg',
},
];
const images = [
'https://cdn.framework7.io/placeholder/cats-300x300-1.jpg',
'https://cdn.framework7.io/placeholder/cats-200x300-2.jpg',
'https://cdn.framework7.io/placeholder/cats-400x300-3.jpg',
'https://cdn.framework7.io/placeholder/cats-300x150-4.jpg',
'https://cdn.framework7.io/placeholder/cats-150x300-5.jpg',
'https://cdn.framework7.io/placeholder/cats-300x300-6.jpg',
'https://cdn.framework7.io/placeholder/cats-300x300-7.jpg',
'https://cdn.framework7.io/placeholder/cats-200x300-8.jpg',
'https://cdn.framework7.io/placeholder/cats-400x300-9.jpg',
'https://cdn.framework7.io/placeholder/cats-300x150-10.jpg',
];
const people = [
{
name: 'Kate Johnson',
avatar: 'https://cdn.framework7.io/placeholder/people-100x100-9.jpg',
},
{
name: 'Blue Ninja',
avatar: 'https://cdn.framework7.io/placeholder/people-100x100-7.jpg',
},
];
const answers = [
'Yes!',
'No',
'Hm...',
'I am not sure',
'And what about you?',
'May be ;)',
'Lorem ipsum dolor sit amet, consectetur',
'What?',
'Are you sure?',
'Of course',
'Need to think about it',
'Amazing!!!',
];
let responseInProgress = false;
$: attachmentsVisible = attachments.length > 0;
$: placeholder = attachments.length > 0 ? 'Add comment or Send' : 'Message';
onMount(() => {
f7ready(() => {
messagebarInstance = f7.messagebar.get('.messagebar');
});
});
function isFirstMessage(message, index) {
const previousMessage = messagesData[index - 1];
if (message.isTitle) return false;
if (
!previousMessage ||
previousMessage.type !== message.type ||
previousMessage.name !== message.name
)
return true;
return false;
}
function isLastMessage(message, index) {
const nextMessage = messagesData[index + 1];
if (message.isTitle) return false;
if (!nextMessage || nextMessage.type !== message.type || nextMessage.name !== message.name)
return true;
return false;
}
function isTailMessage(message, index) {
const nextMessage = messagesData[index + 1];
if (message.isTitle) return false;
if (!nextMessage || nextMessage.type !== message.type || nextMessage.name !== message.name)
return true;
return false;
}
function deleteAttachment(image) {
const index = attachments.indexOf(image);
attachments.splice(index, 1);
attachments = attachments;
}
function handleAttachment(e) {
const index = f7.$(e.target).parents('label.checkbox').index();
const image = images[index];
if (e.target.checked) {
attachments.unshift(image);
} else {
attachments.splice(attachments.indexOf(image), 1);
}
attachments = attachments;
}
function sendMessage() {
const text = messageText.replace(/\n/g, '<br>').trim();
const messagesToSend = [];
attachments.forEach((attachment) => {
messagesToSend.push({
type: 'sent',
image: attachment,
});
});
if (text.length) {
messagesToSend.push({
text,
type: 'sent',
});
}
if (messagesToSend.length === 0) {
return;
}
attachments = [];
sheetVisible = false;
messagesData = [...messagesData, ...messagesToSend];
messageText = '';
messagebarInstance.clear();
if (text.length) messagebarInstance.focus();
if (responseInProgress) return;
responseInProgress = true;
setTimeout(() => {
const answer = answers[Math.floor(Math.random() * answers.length)];
const person = people[Math.floor(Math.random() * people.length)];
typingMessage = {
name: person.name,
avatar: person.avatar,
};
setTimeout(() => {
messagesData = [
...messagesData,
{
text: answer,
type: 'received',
name: person.name,
avatar: person.avatar,
},
];
typingMessage = null;
responseInProgress = false;
}, 4000);
}, 1000);
}
</script>