File size: 6,423 Bytes
5f7f592 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | class SubjectSelector extends HTMLElement {
connectedCallback() {
this.attachShadow({ mode: 'open' });
this.shadowRoot.innerHTML = `
<style>
:host {
display: block;
position: relative;
}
.selector-btn {
background: linear-gradient(135deg, #6366f1, #8b5cf6);
color: white;
border: none;
border-radius: 9999px;
padding: 0.75rem 1.5rem;
font-weight: 600;
cursor: pointer;
display: flex;
align-items: center;
gap: 0.5rem;
transition: all 0.3s ease;
box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.selector-btn:hover {
transform: translateY(-2px);
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.dropdown {
position: absolute;
top: 100%;
left: 0;
width: 300px;
background: white;
border-radius: 12px;
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
padding: 1rem;
z-index: 50;
display: none;
margin-top: 0.5rem;
}
.dropdown.show {
display: block;
animation: fadeIn 0.2s ease-out;
}
.search-input {
width: 100%;
padding: 0.5rem;
border: 1px solid #e5e7eb;
border-radius: 6px;
margin-bottom: 1rem;
}
.subject-list {
max-height: 300px;
overflow-y: auto;
}
.subject-item {
padding: 0.5rem;
border-radius: 6px;
cursor: pointer;
transition: background 0.2s;
}
.subject-item:hover {
background: #f3f4f6;
}
@keyframes fadeIn {
from { opacity: 0; transform: translateY(10px); }
to { opacity: 1; transform: translateY(0); }
}
</style>
<button class="selector-btn" id="selectorBtn">
<i data-feather="book"></i>
Choose Subject
</button>
<div class="dropdown" id="dropdown">
<input type="text" class="search-input" placeholder="Search subjects..." id="searchInput">
<div class="subject-list" id="subjectList">
<!-- Subjects will be loaded here -->
</div>
</div>
`;
const btn = this.shadowRoot.getElementById('selectorBtn');
const dropdown = this.shadowRoot.getElementById('dropdown');
const searchInput = this.shadowRoot.getElementById('searchInput');
const subjectList = this.shadowRoot.getElementById('subjectList');
// Toggle dropdown
btn.addEventListener('click', () => {
dropdown.classList.toggle('show');
if (dropdown.classList.contains('show') && subjectList.innerHTML === '') {
this.loadSubjects();
}
});
// Close dropdown when clicking outside
document.addEventListener('click', (e) => {
if (!this.shadowRoot.contains(e.target)) {
dropdown.classList.remove('show');
}
});
// Search functionality
searchInput.addEventListener('input', () => {
const searchTerm = searchInput.value.toLowerCase();
const items = subjectList.querySelectorAll('.subject-item');
items.forEach(item => {
const text = item.textContent.toLowerCase();
if (text.includes(searchTerm)) {
item.style.display = 'block';
} else {
item.style.display = 'none';
}
});
});
// Initialize Feather icons
if (window.feather) {
window.feather.replace({ 'stroke-width': 2 });
}
}
loadSubjects() {
const subjectList = this.shadowRoot.getElementById('subjectList');
// Common academic subjects
const subjects = [
{ name: "Mathematics", level: "basic", path: "math.html?level=basic" },
{ name: "Mathematics", level: "intermediate", path: "math.html?level=intermediate" },
{ name: "Mathematics", level: "advanced", path: "math.html?level=advanced" },
{ name: "Physics", level: "basic", path: "science.html?subject=physics&level=basic" },
{ name: "Physics", level: "intermediate", path: "science.html?subject=physics&level=intermediate" },
{ name: "Chemistry", level: "basic", path: "science.html?subject=chemistry&level=basic" },
{ name: "Chemistry", level: "intermediate", path: "science.html?subject=chemistry&level=intermediate" },
{ name: "Biology", level: "basic", path: "science.html?subject=biology&level=basic" },
{ name: "Biology", level: "intermediate", path: "science.html?subject=biology&level=intermediate" },
{ name: "Computer Science", level: "basic", path: "tech.html?subject=cs&level=basic" },
{ name: "Computer Science", level: "intermediate", path: "tech.html?subject=cs&level=intermediate" },
{ name: "History", level: "basic", path: "history.html?level=basic" },
{ name: "History", level: "intermediate", path: "history.html?level=intermediate" },
{ name: "Geography", level: "basic", path: "geography.html?level=basic" },
{ name: "Art", level: "basic", path: "art.html?level=basic" },
{ name: "Music", level: "basic", path: "music.html?level=basic" },
{ name: "Literature", level: "basic", path: "literature.html?level=basic" },
{ name: "Philosophy", level: "basic", path: "philosophy.html?level=basic" },
{ name: "Economics", level: "basic", path: "economics.html?level=basic" },
{ name: "Psychology", level: "basic", path: "psychology.html?level=basic" },
{ name: "Spanish", level: "basic", path: "languages.html?lang=spanish&level=basic" },
{ name: "French", level: "basic", path: "languages.html?lang=french&level=basic" },
{ name: "German", level: "basic", path: "languages.html?lang=german&level=basic" },
{ name: "Chinese", level: "basic", path: "languages.html?lang=chinese&level=basic" }
];
subjectList.innerHTML = subjects.map(subject => `
<a href="${subject.path}" class="subject-item">
${subject.name} (${subject.level})
</a>
`).join('');
// Initialize Feather icons again after loading content
if (window.feather) {
window.feather.replace({ 'stroke-width': 2 });
}
}
}
customElements.define('subject-selector', SubjectSelector); |