Add SCollapsible component

Also update info-modal source-info styling

7 files changed, 129 insertions, 83 deletions

diff --git a/src/App.vue b/src/App.vue
index 47bbd1e..f98e4e9 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -277,12 +277,6 @@ export default defineComponent({
 				this.handleActionForTutorial('settings');
 			}
 		},
-		helpOpen(newVal, oldVal){
-			// Possibly trigger tutorial advance
-			if (newVal == false){
-				this.handleActionForTutorial('help');
-			}
-		},
 	},
 	methods: {
 		// For tile expand/collapse events
@@ -758,6 +752,7 @@ export default defineComponent({
 			}
 			this.resetMode();
 			this.helpOpen = true;
+			this.handleActionForTutorial('help');
 		},
 		// For tutorial-pane events
 		onTutPaneClose(): void {
diff --git a/src/README.md b/src/README.md
index 65f9a49..3171046 100644
--- a/src/README.md
+++ b/src/README.md
@@ -11,6 +11,7 @@
     -   TutorialPane.vue:  Displays tutorial content.
     -   SButton.vue:       Simple button component.
     -   IconButton.vue:    Simple button component containing an SVG icon.
+    -   SCollapsible.vue:  Simple collapsible-content component.
     -   icon:              Contains components that display SVG icons.
 -   lib.ts:    Contains classes/types and utility functions.
 -   layout.ts: Contains code for laying out Tiles.
diff --git a/src/components/HelpModal.vue b/src/components/HelpModal.vue
index f2ae8a4..f410d42 100644
--- a/src/components/HelpModal.vue
+++ b/src/components/HelpModal.vue
@@ -6,24 +6,35 @@
 			class="block absolute top-1 right-1 md:top-2 md:right-2 w-8 h-8 hover:cursor-pointer"/>
 		<h1 class="text-center text-xl font-bold py-2 border-b border-stone-400">Help</h1>
 		<div class="p-2 border-b border-stone-400">
-			<div>
-				Lorem ipsum dolor sit amet, consectetur adipiscing
-				elit, sed do eiusmod tempor incididunt ut labore
-				et dolore magna aliqua.
-			</div>
+			<s-collapsible class="border border-stone-400 rounded">
+				<template v-slot:summary="slotProps">
+					<div class="p-1 text-center"
+						:style="{backgroundColor: !slotProps.collapsed ? 'gray' : 'transparent'}">
+						<down-icon class="inline-block w-5 h-5 transition-transform duration-300"
+							:class="{'-rotate-90': slotProps.collapsed}"/>
+						Summary text
+					</div>
+				</template>
+				<template v-slot:content>
+					<div class="p-1">
+						Lorem ipsum dolor sit amet, consectetur adipiscing
+						elit, sed do eiusmod tempor incididunt ut labore
+						et dolore magna aliqua. Ut enim ad minim veniam,
+						quis nostrud exercitation ullamco laboris nisi ut
+						aliquip ex ea commodo consequat. 
+					</div>
+				</template>
+			</s-collapsible>
 			<ul class="list-disc ml-3">
 				<li>What is the Tree of Life? ('tips', )</li>
-				<li>Representing the Tree
-					(OneZoom, iTol)
-					(tile layout, overflown-root, )
-					(leaf header colors, asterisk, compound nodes/names/images, )
-				</li>
-				<li>Data sources (OTOL, EOL, Wikipedia) (imprecision: tree, names, images, descs, )</li>
-				<li>Using tilo
+				<li>Visualising the Tree (OneZoom, iTol) (tile layout, )</li>
+				<li>Using Tilo
 					(tutorial)
+					(leaf header colors, asterisk, compound nodes/names/images, overflown-root, )
 					(settings: layout methods, reduced trees, click-label-to-reset)
 					(keyboard shortcuts)
 				</li>
+				<li>Data sources (OTOL, EOL, Wikipedia) (imprecision: tree, names, images, descs, )</li>
 				<li>Project page, error contact, other credits (feathericons, ionicons), </li>
 			</ul>
 		</div>
@@ -38,7 +49,9 @@
 <script lang="ts">
 import {defineComponent, PropType} from 'vue';
 import SButton from './SButton.vue';
+import SCollapsible from './SCollapsible.vue';
 import CloseIcon from './icon/CloseIcon.vue';
+import DownIcon from './icon/DownIcon.vue';
 import {UiOptions} from '../lib';
 
 export default defineComponent({
@@ -66,7 +79,7 @@ export default defineComponent({
 			this.$emit('close');
 		},
 	},
-	components: {SButton, CloseIcon, },
+	components: {SButton, SCollapsible, CloseIcon, DownIcon, },
 	emits: ['close', 'start-tutorial', ],
 });
 </script>
diff --git a/src/components/SCollapsible.vue b/src/components/SCollapsible.vue
new file mode 100644
index 0000000..4b414fc
--- /dev/null
+++ b/src/components/SCollapsible.vue
@@ -0,0 +1,39 @@
+<template>
+<div :style="styles">
+	<div class="hover:cursor-pointer" @click="collapsed = !collapsed">
+		<slot name="summary" :collapsed="collapsed">(Summary)</slot>
+	</div>
+	<div :style="contentStyles" ref="content">
+		<slot name="content">(Content)</slot>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import {defineComponent, PropType} from 'vue';
+
+export default defineComponent({
+	data(){
+		return {
+			collapsed: true,
+		};
+	},
+	computed: {
+		styles(): Record<string,string> {
+			return {
+				overflow: this.collapsed ? 'hidden' : 'visible',
+			};
+		},
+		contentStyles(): Record<string,string> {
+			return {
+				overflow: 'hidden',
+				maxHeight: this.collapsed ? '0' : (this.$refs.content as HTMLDivElement).scrollHeight + 'px',
+				opacity: this.collapsed ? '0' : '1',
+				transitionProperty: 'max-height, opacity',
+				transitionDuration: '300ms',
+				transitionTimingFunction: 'ease-in-out',
+			};
+		},
+	},
+});
+</script>
diff --git a/src/components/TileInfoModal.vue b/src/components/TileInfoModal.vue
index 6b7bd26..e1b31db 100644
--- a/src/components/TileInfoModal.vue
+++ b/src/components/TileInfoModal.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="fixed left-0 top-0 w-full h-full bg-black/40" @click="onClose">
 	<div class="absolute left-1/2 -translate-x-1/2 top-1/2 -translate-y-1/2
-		max-w-[80%] min-w-[8cm] md:min-w-[15cm] max-h-[80%]"
+		max-w-[80%] min-w-[8cm] md:min-w-[14cm] max-h-[80%]"
 		:style="styles">
 		<div class="pb-1 md:pb-2">
 			<div class="flex">
@@ -32,53 +32,54 @@
 			</div>
 			<div v-else>
 				<div v-if="imgInfos[idx] != null" class="mt-1 mr-2 md:mb-2 md:mr-4 md:float-left">
-					<a :href="imgInfos[idx]!.url" target="_blank" class="block w-fit mx-auto">
+					<a :href="imgInfos[idx]!.url != '' ? imgInfos[idx]!.url : 'javascript:;'"
+						:target="imgInfos[idx]!.url != '' ? '_blank' : ''" class="block w-fit mx-auto">
 						<div :style="getImgStyles(nodes[idx])"/>
 					</a>
-					<div class="relative">
-						<details class="w-fit mx-auto text-sm hover:cursor-pointer"
-							@click="onDetailsClick($event, idx)" ref="srcInfoDetails">
-							<summary>Source information</summary>
-							<transition name="fade" @after-leave="onSrcInfoHideTransition(idx)">
-								<div v-if="srcInfoShow[idx]" class="absolute left-1/2 -translate-x-1/2 w-max max-w-full
-									md:left-0 md:translate-x-0 md:max-w-[14cm] pb-2"> <!-- Provides bottom-padding -->
-									<ul class="rounded shadow p-1 overflow-auto"
-										:style="{backgroundColor: uiOpts.bgColor, color: uiOpts.textColor}">
-										<li v-if="imgInfos[idx]!.url != ''">
-											<span :style="{color: uiOpts.altColor}">Source: </span>
-											<a :href="imgInfos[idx]!.url" target="_blank">Link</a>
-											<external-link-icon class="inline-block w-3 h-3 ml-1"/>
-										</li>
-										<li v-if="imgInfos[idx]!.artist != ''">
-											<span :style="{color: uiOpts.altColor}">Artist: </span>
-											{{imgInfos[idx]!.artist}}
-										</li>
-										<li v-if="imgInfos[idx]!.credit != ''">
-											<span :style="{color: uiOpts.altColor}">Credits: </span>
-											{{imgInfos[idx]!.credit}}
-										</li>
-										<li>
-											<span :style="{color: uiOpts.altColor}">License: </span>
-											<a :href="licenseToUrl(imgInfos[idx]!.license)" target="_blank">
-												{{imgInfos[idx]!.license}}
-											</a>
-											<external-link-icon class="inline-block w-3 h-3 ml-1"/>
-										</li>
-										<li v-if="imgInfos[idx]!.src != 'picked'">
-											<span :style="{color: uiOpts.altColor}">Obtained via: </span>
-											<a v-if="imgInfos[idx]!.src == 'eol'" href="https://eol.org/">EoL</a>
-											<a v-else href="https://www.wikipedia.org/">Wikipedia</a>
-											<external-link-icon class="inline-block w-3 h-3 ml-1"/>
-										</li>
-										<li>
-											<span :style="{color: uiOpts.altColor}">Changes: </span>
-											Cropped and resized
-										</li>
-									</ul>
-								</div>
-							</transition>
-						</details>
-					</div>
+					<s-collapsible class="text-sm text-center max-w-full md:max-w-[200px] mx-auto">
+						<template v-slot:summary="slotProps">
+							<div class="py-1">
+								<down-icon class="inline-block w-4 h-4 transition-transform duration-300"
+									:class="{'-rotate-90': !slotProps.collapsed}"/>
+								Source Information
+							</div>
+						</template>
+						<template v-slot:content>
+							<ul class="rounded shadow overflow-x-auto p-1"
+								:style="{backgroundColor: uiOpts.bgColor, color: uiOpts.textColor}">
+								<li v-if="imgInfos[idx]!.url != ''">
+									<span :style="{color: uiOpts.altColor}">Source: </span>
+									<a :href="imgInfos[idx]!.url" target="_blank">Link</a>
+									<external-link-icon class="inline-block w-3 h-3 ml-1"/>
+								</li>
+								<li v-if="imgInfos[idx]!.artist != ''" class="whitespace-nowrap">
+									<span :style="{color: uiOpts.altColor}">Artist: </span>
+									{{imgInfos[idx]!.artist}}
+								</li>
+								<li v-if="imgInfos[idx]!.credit != ''" class="whitespace-nowrap">
+									<span :style="{color: uiOpts.altColor}">Credits: </span>
+									{{imgInfos[idx]!.credit}}
+								</li>
+								<li>
+									<span :style="{color: uiOpts.altColor}">License: </span>
+									<a :href="licenseToUrl(imgInfos[idx]!.license)" target="_blank">
+										{{imgInfos[idx]!.license}}
+									</a>
+									<external-link-icon class="inline-block w-3 h-3 ml-1"/>
+								</li>
+								<li v-if="imgInfos[idx]!.src != 'picked'">
+									<span :style="{color: uiOpts.altColor}">Obtained via: </span>
+									<a v-if="imgInfos[idx]!.src == 'eol'" href="https://eol.org/">EoL</a>
+									<a v-else href="https://www.wikipedia.org/">Wikipedia</a>
+									<external-link-icon class="inline-block w-3 h-3 ml-1"/>
+								</li>
+								<li>
+									<span :style="{color: uiOpts.altColor}">Changes: </span>
+									Cropped and resized
+								</li>
+							</ul>
+						</template>
+					</s-collapsible>
 				</div>
 				<div v-if="descInfos[idx]! != null">
 					<div>{{descInfos[idx]!.text}}</div>
@@ -101,8 +102,10 @@
 
 <script lang="ts">
 import {defineComponent, PropType} from 'vue';
+import SCollapsible from './SCollapsible.vue';
 import CloseIcon from './icon/CloseIcon.vue';
 import ExternalLinkIcon from './icon/ExternalLinkIcon.vue';
+import DownIcon from './icon/DownIcon.vue';
 import {TolNode, TolMap} from '../tol';
 import {LayoutNode, LayoutOptions} from '../layout';
 import {getImagePath, DescInfo, ImgInfo, NodeInfo, InfoResponse, UiOptions} from '../lib';
@@ -117,11 +120,6 @@ export default defineComponent({
 		lytOpts: {type: Object as PropType<LayoutOptions>, required: true},
 		uiOpts: {type: Object as PropType<UiOptions>, required: true},
 	},
-	data(){
-		return {
-			srcInfoShow: [false, false], // For transitioning source-info panes when enclosing <details> are clicked
-		};
-	},
 	computed: {
 		tolNode(): TolNode {
 			return this.infoResponse.nodeInfo.tolNode;
@@ -221,19 +219,8 @@ export default defineComponent({
 				this.$emit('close');
 			}
 		},
-		onDetailsClick(evt: Event, idx: number){
-			this.srcInfoShow[idx] = !this.srcInfoShow[idx];
-			if (this.srcInfoShow[idx] == false){
-				evt.preventDefault(); // Delay <details> closure, to allow for transition
-			}
-		},
-		onSrcInfoHideTransition(idx: number){
-			// Close <details>, now that it's content has transitioned away
-			let details = this.$refs.srcInfoDetails[idx];
-			details.removeAttribute('open');
-		},
 	},
-	components: {CloseIcon, ExternalLinkIcon, },
+	components: {SCollapsible, CloseIcon, ExternalLinkIcon, DownIcon, },
 	emits: ['close', ],
 });
 </script>
diff --git a/src/components/icon/DownIcon.vue b/src/components/icon/DownIcon.vue
new file mode 100644
index 0000000..dc954d1
--- /dev/null
+++ b/src/components/icon/DownIcon.vue
@@ -0,0 +1,11 @@
+<template>
+<svg viewBox="0 0 24 24" fill="none"
+	stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+	<polyline points="6 9 12 15 18 9"></polyline>
+</svg>
+</template>
+
+<script lang="ts">
+import {defineComponent, PropType} from 'vue';
+export default defineComponent({});
+</script>
diff --git a/src/lib.ts b/src/lib.ts
index 8404725..566e24a 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -137,7 +137,7 @@ export function getDefaultUiOpts(lytOpts: LayoutOptions): UiOptions {
 	let bgColor = '#292524',
 		bgColorLight = '#44403c', bgColorDark = '#1c1917',
 		bgColorLight2 = '#57534e', bgColorDark2 = '#0e0c0b',
-		bgColorAlt = '#fafaf9', bgColorAltDark = '#a8a29e';
+		bgColorAlt = '#f5f5f4', bgColorAltDark = '#a8a29e';
 	let altColor = '#a3e623', altColorDark = '#65a30d';
 	let accentColor = '#f59e0b';
 	let scrollGap = getScrollBarWidth();