"""Theme manager for handling multiple themes."""
from typing import Dict, List
from .theme import Theme
class ThemeManager:
"""Manager for available themes."""
def __init__(self):
"""Initialize theme manager with built-in themes."""
self._themes = self._load_builtin_themes()
def _load_builtin_themes(self) -> Dict[str, Theme]:
"""Load built-in themes."""
themes = {
"default": Theme(
id="default",
name="默认主题",
description="简洁大方的默认主题",
template=self._get_default_template(),
css_styles=self._get_default_css()
),
"orangeheart": Theme(
id="orangeheart",
name="Orange Heart",
description="温暖橙心主题，基于Typora的Orange Heart主题",
template=self._get_default_template(),
css_styles=self._get_orangeheart_css()
),
"rainbow": Theme(
id="rainbow",
name="Rainbow",
description="彩虹主题，基于Typora的Rainbow主题",
template=self._get_default_template(),
css_styles=self._get_rainbow_css()
),
"lapis": Theme(
id="lapis",
name="Lapis",
description="青金石主题，基于Typora的Lapis主题",
template=self._get_default_template(),
css_styles=self._get_lapis_css()
),
"pie": Theme(
id="pie",
name="Pie",
description="派主题，基于Typora的Pie主题",
template=self._get_default_template(),
css_styles=self._get_pie_css()
),
"maize": Theme(
id="maize",
name="Maize",
description="玉米主题，基于Typora的Maize主题",
template=self._get_default_template(),
css_styles=self._get_maize_css()
),
"purple": Theme(
id="purple",
name="Purple",
description="紫色主题，基于Typora的Purple主题",
template=self._get_default_template(),
css_styles=self._get_purple_css()
),
"phycat": Theme(
id="phycat",
name="物理猫薄荷",
description="物理猫薄荷主题，清新自然",
template=self._get_default_template(),
css_styles=self._get_phycat_css()
)
}
return themes
def get_theme(self, theme_id: str) -> Theme:
"""Get theme by ID."""
theme = self._themes.get(theme_id)
if not theme:
return self._themes["default"]
return theme
def get_available_themes(self) -> List[Dict]:
"""Get list of all available themes with detailed information."""
return [{
'id': theme.id,
'name': theme.name,
'description': theme.description,
'has_custom_template': theme.template != self._get_default_template(),
'has_custom_css': bool(theme.css_styles and theme.css_styles != self._get_default_css())
} for theme in self._themes.values()]
def get_theme_preview(self, theme_id: str, sample_content: str = "") -> str:
"""
Get HTML preview of a theme with sample content.
Args:
theme_id: ID of the theme to preview
sample_content: Optional sample content to use for preview
Returns:
HTML preview of the theme
"""
theme = self.get_theme(theme_id)
if not sample_content:
sample_content = self._get_default_sample_content()
# Render theme template with sample content
from jinja2 import Template
template = Template(theme.template)
return template.render(
content=sample_content,
css_styles=self._combine_styles(theme.css_styles or "")
)
def add_custom_theme(self, theme: Theme) -> None:
"""
Add a custom theme to the theme manager.
Args:
theme: Theme object to add
"""
self._themes[theme.id] = theme
def update_theme(self, theme_id: str, **kwargs) -> Theme:
"""
Update an existing theme with new properties.
Args:
theme_id: ID of the theme to update
**kwargs: Theme properties to update
Returns:
Updated Theme object
"""
theme = self.get_theme(theme_id)
# Create a new theme with updated properties
updated_theme = Theme(
id=theme.id,
name=kwargs.get('name', theme.name),
description=kwargs.get('description', theme.description),
template=kwargs.get('template', theme.template),
css_styles=kwargs.get('css_styles', theme.css_styles)
)
self._themes[theme_id] = updated_theme
return updated_theme
def _get_default_sample_content(self) -> str:
"""Get default sample content for theme preview."""
return """
<h1>主题预览示例</h1>
<p>这是一个主题预览的示例内容，用于展示不同主题的样式效果。</p>
<h2>二级标题</h2>
<p>这是一段正文内容，包含一些 <strong>粗体文本</strong> 和 <em>斜体文本</em>。</p>
<h3>三级标题</h3>
<ul>
<li>列表项 1</li>
<li>列表项 2</li>
<li>列表项 3</li>
</ul>
<ol>
<li>有序列表项 1</li>
<li>有序列表项 2</li>
<li>有序列表项 3</li>
</ol>
<blockquote>
这是一段引用文本，用于展示引用样式。
</blockquote>
<pre><code>这是一段代码块，用于展示代码样式。
print("Hello, World!")
</code></pre>
<p>以上是主题预览的全部内容。</p>
"""
def _combine_styles(self, theme_css: str) -> str:
"""Combine default styles with theme-specific styles."""
default_css = self._get_default_css()
if theme_css:
return f"{default_css}\n\n{theme_css}"
return default_css
def _get_default_template(self) -> str:
"""Get default HTML template."""
return """
<section class="article-content" style="font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; max-width: 100%; margin: 0; padding: 20px; text-align: justify;">
{{ content|safe }}
</section>
"""
def _get_default_css(self) -> str:
"""Get default CSS styles."""
return """
/* 优化微信公众号显示样式 */
.article-content {
font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
line-height: 1.8;
color: #333;
text-align: justify;
font-size: 16px;
}
.article-content h1, .article-content h2, .article-content h3,
.article-content h4, .article-content h5, .article-content h6 {
margin: 1.5em 0 0.8em 0;
font-weight: bold;
line-height: 1.4;
color: #222;
}
.article-content h1 { font-size: 24px; text-align: center; border-bottom: 1px solid #eee; padding-bottom: 10px; }
.article-content h2 { font-size: 20px; }
.article-content h3 { font-size: 18px; }
.article-content p {
margin-bottom: 1.2em;
text-indent: 2em;
line-height: 1.8;
}
.article-content ul, .article-content ol {
margin: 1em 0;
padding-left: 2.5em;
}
.article-content li {
margin-bottom: 0.6em;
line-height: 1.8;
}
.article-content img {
max-width: 100%;
height: auto;
display: block;
margin: 1.5em auto;
border-radius: 4px;
}
.article-content blockquote {
margin: 1.5em 0;
padding: 15px 20px;
border-left: 4px solid #ddd;
background-color: #f9f9f9;
color: #666;
font-style: italic;
}
.article-content code {
background-color: #f4f4f4;
padding: 3px 6px;
border-radius: 3px;
font-family: "Monaco", "Consolas", monospace;
font-size: 14px;
}
.article-content pre {
background-color: #f4f4f4;
padding: 1em;
border-radius: 5px;
overflow-x: auto;
margin: 1em 0;
}
.article-content strong {
font-weight: bold;
color: #333;
}
.article-content em {
font-style: italic;
color: #555;
}
"""
def _get_orangeheart_css(self) -> str:
"""Get Orange Heart theme CSS."""
return """
.article-content {
font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
color: #2c3e50;
line-height: 1.8;
}
.article-content h1 { color: #e67e22; border-bottom: 2px solid #e67e22; }
.article-content h2 { color: #d35400; }
.article-content h3 { color: #e67e22; }
.article-content blockquote {
background: linear-gradient(90deg, #fff5f0 0%, #fff 100%);
border-left: 4px solid #e67e22;
}
"""
def _get_rainbow_css(self) -> str:
"""Get Rainbow theme CSS."""
return """
.article-content {
font-family: "Helvetica Neue", Arial, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 30px;
border-radius: 10px;
}
.article-content h1 { color: #ffd89b; }
.article-content h2 { color: #f9ca24; }
.article-content h3 { color: #f0932b; }
"""
def _get_lapis_css(self) -> str:
"""Get Lapis theme CSS."""
return """
.article-content {
font-family: "SF Pro Display", -apple-system, sans-serif;
color: #2c3e50;
}
.article-content h1 { color: #3498db; }
.article-content h2 { color: #2980b9; }
.article-content blockquote {
background-color: #ecf0f1;
border-left: 4px solid #3498db;
padding: 15px;
}
"""
def _get_pie_css(self) -> str:
"""Get Pie theme CSS."""
return """
.article-content {
font-family: "Georgia", serif;
color: #34495e;
}
.article-content h1 { color: #8e44ad; }
.article-content h2 { color: #9b59b6; }
.article-content blockquote {
font-style: italic;
background: #f8f9fa;
border-left: 3px solid #8e44ad;
}
"""
def _get_maize_css(self) -> str:
"""Get Maize theme CSS."""
return """
.article-content {
font-family: "Ubuntu", sans-serif;
color: #2c3e50;
}
.article-content h1 { color: #f39c12; }
.article-content h2 { color: #e67e22; }
.article-content blockquote {
background-color: #fef9e7;
border-left: 4px solid #f39c12;
}
"""
def _get_purple_css(self) -> str:
"""Get Purple theme CSS."""
return """
.article-content {
font-family: "Avenir", "Helvetica Neue", sans-serif;
color: #2c3e50;
}
.article-content h1 { color: #8e44ad; }
.article-content h2 { color: #9b59b6; }
.article-content h3 { color: #a569bd; }
.article-content blockquote {
background: linear-gradient(90deg, #f4f3ff 0%, #fff 100%);
border-left: 4px solid #8e44ad;
}
"""
def _get_phycat_css(self) -> str:
"""Get PhyCat theme CSS."""
return """
.article-content {
font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
color: #27ae60;
line-height: 1.7;
}
.article-content h1 { color: #16a085; }
.article-content h2 { color: #1abc9c; }
.article-content blockquote {
background-color: #e8f5e8;
border-left: 4px solid #27ae60;
padding: 12px 20px;
}
.article-content code {
background-color: #f0fff0;
border: 1px solid #d5f4e6;
}
"""
