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<template>
<MountingPortal mountTo="body" append>
<focus-trap v-model="trap" :initial-focus="() => $refs.buttonB">
<div class="studip-dialog" @keydown.esc="closeDialog">
<transition name="dialog-fade">
<div class="studip-dialog-backdrop">
<vue-resizeable
class="resizable"
style="position: absolute"
ref="resizableComponent"
:dragSelector="dragSelector"
:active="handlers"
:fit-parent="fit"
:left="left"
:top="top"
:width="currentWidth"
:height="currentHeight"
:min-width="minW | checkEmpty"
:min-height="minH | checkEmpty"
@mount="initSize"
@resize:move="resizeHandler"
@resize:start="resizeHandler"
@resize:end="resizeHandler"
@drag:move="resizeHandler"
@drag:start="resizeHandler"
@drag:end="resizeHandler"
>
<div
:style="{ width: dialogWidth, height: dialogHeight, top: top, left: left }"
:class="{ 'studip-dialog-warning': question, 'studip-dialog-alert': alert }"
class="studip-dialog-body"
role="dialog"
:aria-modal="'true'"
:aria-labelledby="dialogTitleId"
:aria-describedby="dialogDescId"
ref="dialog"
>
<header
class="studip-dialog-header"
>
<span :id="dialogTitleId" class="studip-dialog-title" :title="dialogTitle">
{{ dialogTitle }}
</span>
<slot name="dialogHeader"></slot>
<span
:aria-label="$gettext('Diesen Dialog schließen')"
class="studip-dialog-close-button"
:title="$gettext('Schließen')"
@click="closeDialog"
>
</span>
</header>
<section
:id="dialogDescId"
:style="{ height: contentHeight }"
class="studip-dialog-content"
>
<slot name="dialogContent"></slot>
<div v-if="message">{{ message }}</div>
<div v-if="question">{{ question }}</div>
<div v-if="alert">{{ alert }}</div>
</section>
<footer class="studip-dialog-footer" ref="footer">
<button
v-if="buttonA"
:title="buttonA.text"
:class="[buttonA.class]"
class="button"
type="button"
@click="confirmDialog"
>
{{ buttonA.text }}
</button>
<slot name="dialogButtons"></slot>
<button
v-if="buttonB"
:title="buttonB.text"
:class="[buttonB.class]"
class="button"
type="button"
ref="buttonB"
@click="closeDialog"
>
{{ buttonB.text }}
</button>
</footer>
</div>
</vue-resizeable>
</div>
</transition>
</div>
</focus-trap>
</MountingPortal>
</template>
<script>
import { FocusTrap } from 'focus-trap-vue';
import VueResizeable from 'vrp-vue-resizable';
let uuid = 0;
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export default {
name: 'studip-dialog',
components: {
FocusTrap,
VueResizeable,
},
props: {
height: {type: String, default: '300'},
width: {type: String, default: '450'},
title: String,
confirmText: String,
closeText: String,
confirmClass: String,
closeClass: String,
question: String,
alert: String,
message: String,
},
data() {
const dialogId = uuid++;
return {
trap: true,
dialogTitleId: `studip-dialog-title-${dialogId}`,
dialogDescId: `studip-dialog-desc-${dialogId}`,
currentWidth: 450,
currentHeight: 300,
minW: 100,
minH: 100,
left: 0,
top: 0,
dragSelector: ".studip-dialog-header",
handlers: ["r", "rb", "b", "lb", "l", "lt", "t", "rt"],
fit: false,
footerHeight: 68,
};
},
computed: {
buttonA() {
let button = false;
if (this.message) {
return false;
}
if (this.question || this.alert) {
button = {};
button.text = this.$gettext('Ja');
button.class = 'accept';
}
if (this.confirmText) {
button = {};
button.text = this.confirmText;
button.class = this.confirmClass;
}
return button;
},
buttonB() {
let button = false;
if (this.message) {
button = {};
button.text = this.$gettext('Ok');
button.class = '';
}
if (this.question || this.alert) {
button = {};
button.text = this.$gettext('Nein');
button.class = 'cancel';
}
if (this.closeText) {
button = {};
button.text = this.closeText;
if (this.closeClass) {
button.class = this.closeClass;
} else {
button.class = 'cancel';
}
}
return button;
},
dialogTitle() {
if (this.title) {
return this.title;
}
if (this.alert || this.question) {
return this.$gettext('Bitte bestätigen Sie die Aktion');
}
if (this.message) {
return this.$gettext('Information');
}
},
dialogWidth() {
return this.currentWidth ? (this.currentWidth - dialogPadding * 4) + 'px' : 'unset';
return this.currentHeight ? (this.currentHeight - dialogPadding * 4) + 'px' : 'unset';
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},
contentHeight() {
return this.currentHeight ? this.currentHeight - this.footerHeight + 'px' : 'unset';
}
},
methods: {
closeDialog() {
this.$emit('close');
},
confirmDialog() {
this.$emit('confirm');
},
initSize() {
this.currentWidth = parseInt(this.width, 10);
this.currentHeight = parseInt(this.height, 10);
if (window.outerWidth > this.currentWidth) {
this.left = (window.outerWidth - this.currentWidth) / 2;
} else {
this.left = 5;
this.currentWidth = window.outerWidth - 16;
}
this.top = (window.outerHeight - this.currentHeight) / 2;
this.footerHeight = this.$refs.footer.offsetHeight;
},
resizeHandler(data) {
this.currentWidth = data.width;
this.currentHeight = data.height;
this.left = data.left;
this.top = data.top;
},
},
filters: {
checkEmpty(value) {
return typeof value !== "number" ? 0 : value;
}
},
};
</script>