feat: 添加模型选择器组件，整合模型选择功能到输入区域

src/views/inputArea.ts

@@ -1,4 +1,9 @@
 import { getWaveformPreviewContent } from "./waveformPreviewContent";
+import {
+  getModelSelectorContent,
+  getModelSelectorStyles,
+  getModelSelectorScript
+} from "./modelSelector";
 
 /**
  * 获取输入区域的 HTML 内容
@@ -54,24 +59,7 @@ export function getInputAreaContent(): string {
                 <span class="tooltiptext">切换模式</span>
               </div>
 
-              <!-- 模型选择 -->
+              ${getModelSelectorContent()}
-              <div class="tooltip">
-                <div class="custom-select" id="modelSelect">
-                  <div class="select-trigger" onclick="toggleModelDropdown()">
-                    <span class="select-value" id="modelValue">Auto</span>
-                    <svg class="select-arrow" viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg">
-                      <path d="M507.8 727.728a30.016 30.016 0 0 1-21.288-8.824L231.104 463.496a30.088 30.088 0 0 1 0-42.568 30.088 30.088 0 0 1 42.568 0l234.128 234.128 234.16-234.128a30.088 30.088 0 0 1 42.568 0 30.088 30.088 0 0 1 0 42.568L529.08 718.904a30 30 0 0 1-21.28 8.824z" fill="#8a8a8a"/>
-                    </svg>
-                  </div>
-                  <div class="select-dropdown" id="modelDropdown">
-                    <div class="select-option" data-value="lite" onclick="selectModel('lite', 'Lite')">Lite</div>
-                    <div class="select-option selected" data-value="auto" onclick="selectModel('auto', 'Auto')">Auto</div>
-                    <div class="select-option" data-value="syntaxic" onclick="selectModel('syntaxic', 'Syntaxic')">Syntaxic</div>
-                    <div class="select-option" data-value="max" onclick="selectModel('max', 'Max')">Max</div>
-                  </div>
-                </div>
-                <span class="tooltiptext">选择模型</span>
-              </div>
             </div>
             <div class="input-actions">
               <!-- 上下文显示 -->
@@ -132,6 +120,7 @@ export function getInputAreaContent(): string {
  */
 export function getInputAreaStyles(): string {
   return `
+    ${getModelSelectorStyles()}
     .input-area {
       border-top: 1px solid var(--vscode-panel-border);
       padding-top: 15px;
@@ -256,7 +245,7 @@ export function getInputAreaStyles(): string {
       gap: 8px;
       position: relative;
     }
-    /* 自定义下拉框样式 */
+    /* 自定义下拉框样式（用于模式选择） */
     .custom-select {
       position: relative;
       user-select: none;
@@ -305,17 +294,18 @@ export function getInputAreaStyles(): string {
     .custom-select.active .select-dropdown {
       display: block;
     }
-    .select-option {
+    /* 模式选择器的选项样式 */
+    #selectDropdown .select-option {
       padding: 6px 12px;
       font-size: 12px;
       cursor: pointer;
       transition: background 0.2s ease;
       white-space: nowrap;
     }
-    .select-option:hover {
+    #selectDropdown .select-option:hover {
       background: rgba(128, 128, 128, 0.3);
     }
-    .select-option.selected {
+    #selectDropdown .select-option.selected {
       background: rgba(128, 128, 128, 0.5);
       color: var(--vscode-foreground);
     }
@@ -571,6 +561,8 @@ export function getInputAreaStyles(): string {
  */
 export function getInputAreaScript(): string {
   return `
+    ${getModelSelectorScript()}
+
     // 自动调整 textarea 高度
     function autoResizeTextarea() {
       if (messageInput) {
@@ -592,7 +584,6 @@ export function getInputAreaScript(): string {
 
     // 自定义下拉框相关变量
     let currentMode = 'agent';
-    let currentModel = 'auto';
 
     // 切换模式下拉框显示/隐藏
     function toggleModeDropdown() {
@@ -607,19 +598,6 @@ export function getInputAreaScript(): string {
       }
     }
 
-    // 切换模型下拉框显示/隐藏
-    function toggleModelDropdown() {
-      const modelSelect = document.getElementById('modelSelect');
-      const customSelect = document.getElementById('customSelect');
-      if (modelSelect) {
-        modelSelect.classList.toggle('active');
-        // 关闭模式下拉框
-        if (customSelect) {
-          customSelect.classList.remove('active');
-        }
-      }
-    }
-
     // 选择模式
     function selectMode(value, label) {
       currentMode = value;
@@ -645,43 +623,13 @@ export function getInputAreaScript(): string {
       }
     }
 
-    // 选择模型
-    function selectModel(value, label) {
-      currentModel = value;
-      const modelValue = document.getElementById('modelValue');
-      if (modelValue) {
-        modelValue.textContent = label;
-      }
-
-      // 更新选中状态
-      const options = document.querySelectorAll('#modelDropdown .select-option');
-      options.forEach(option => {
-        if (option.getAttribute('data-value') === value) {
-          option.classList.add('selected');
-        } else {
-          option.classList.remove('selected');
-        }
-      });
-
-      // 关闭下拉框
-      const modelSelect = document.getElementById('modelSelect');
-      if (modelSelect) {
-        modelSelect.classList.remove('active');
-      }
-    }
-
     // 点击外部关闭下拉框
     document.addEventListener('click', (event) => {
       const customSelect = document.getElementById('customSelect');
-      const modelSelect = document.getElementById('modelSelect');
 
       if (customSelect && !customSelect.contains(event.target)) {
         customSelect.classList.remove('active');
       }
-
-      if (modelSelect && !modelSelect.contains(event.target)) {
-        modelSelect.classList.remove('active');
-      }
     });
 
     function sendMessage() {
@@ -689,7 +637,7 @@ export function getInputAreaScript(): string {
       if (!text) return;
 
       const mode = currentMode;
-      const model = currentModel;
+      const model = getCurrentModel(); // 从模型选择器组件获取当前模型
 
       addMessage(text, 'user');
       vscode.postMessage({ command: 'sendMessage', text: text, mode: mode, model: model });

src/views/modelSelector.ts

@@ -0,0 +1,250 @@
+/**
+ * 模型选择器组件
+ */
+
+/**
+ * 获取模型选择器的 HTML 内容
+ */
+export function getModelSelectorContent(): string {
+  return `
+    <!-- 模型选择 -->
+    <div class="tooltip">
+      <div class="custom-select" id="modelSelect">
+        <div class="select-trigger" onclick="toggleModelDropdown()">
+          <span class="select-value" id="modelValue">Auto</span>
+          <svg class="select-arrow" viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg">
+            <path d="M507.8 727.728a30.016 30.016 0 0 1-21.288-8.824L231.104 463.496a30.088 30.088 0 0 1 0-42.568 30.088 30.088 0 0 1 42.568 0l234.128 234.128 234.16-234.128a30.088 30.088 0 0 1 42.568 0 30.088 30.088 0 0 1 0 42.568L529.08 718.904a30 30 0 0 1-21.28 8.824z" fill="#8a8a8a"/>
+          </svg>
+        </div>
+        <div class="select-dropdown" id="modelDropdown">
+          <div class="select-option" data-value="lite" data-tooltip="快速响应，适合简单任务" onclick="selectModel('lite', 'Lite')">Lite</div>
+          <div class="select-option selected" data-value="auto" data-tooltip="自动选择最佳模型" onclick="selectModel('auto', 'Auto')">Auto</div>
+          <div class="select-option" data-value="syntaxic" data-tooltip="语法分析和代码理解" onclick="selectModel('syntaxic', 'Syntaxic')">Syntaxic</div>
+          <div class="select-option" data-value="max" data-tooltip="最强性能，复杂任务" onclick="selectModel('max', 'Max')">Max</div>
+        </div>
+        <!-- 模型选择器的 tooltip 容器 -->
+        <div id="modelTooltip" class="model-tooltip"></div>
+      </div>
+      <span class="tooltiptext">选择模型</span>
+    </div>
+  `;
+}
+
+/**
+ * 获取模型选择器的样式
+ */
+export function getModelSelectorStyles(): string {
+  return `
+    /* 自定义下拉框样式 */
+    .custom-select {
+      position: relative;
+      user-select: none;
+    }
+    .select-trigger {
+      display: flex;
+      align-items: center;
+      gap: 6px;
+      padding: 4px 8px;
+      background: var(--vscode-input-background);
+      color: var(--vscode-foreground);
+      border: none;
+      border-radius: 4px;
+      cursor: pointer;
+      font-size: 12px;
+      transition: background 0.2s ease;
+    }
+    .select-trigger:hover {
+      background: var(--vscode-list-hoverBackground);
+    }
+    .select-value {
+      white-space: nowrap;
+    }
+    .select-arrow {
+      width: 12px;
+      height: 12px;
+      flex-shrink: 0;
+      transition: transform 0.2s ease;
+    }
+    .custom-select.active .select-arrow {
+      transform: rotate(180deg);
+    }
+    .select-dropdown {
+      position: absolute;
+      bottom: calc(100% + 2px);
+      left: 0;
+      min-width: 100%;
+      background: var(--vscode-dropdown-background);
+      border: 1px solid var(--vscode-dropdown-border);
+      border-radius: 4px;
+      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+      z-index: 1100;
+      display: none;
+      overflow: visible;
+    }
+    .custom-select.active .select-dropdown {
+      display: block;
+    }
+    /* 模型选择器的选项样式 */
+    #modelDropdown .select-option {
+      position: relative;
+      padding: 6px 12px;
+      font-size: 12px;
+      cursor: pointer;
+      transition: background 0.2s ease;
+      white-space: nowrap;
+    }
+    #modelDropdown .select-option:hover {
+      background: rgba(128, 128, 128, 0.3);
+    }
+    #modelDropdown .select-option.selected {
+      background: rgba(128, 128, 128, 0.5);
+      color: var(--vscode-foreground);
+    }
+    /* 模型选择器的 tooltip 样式 */
+    .model-tooltip {
+      position: fixed;
+      background: #1e1e1e;
+      color: #ffffff;
+      padding: 8px 12px;
+      border-radius: 6px;
+      font-size: 12px;
+      white-space: nowrap;
+      pointer-events: none;
+      z-index: 10000;
+      border: 1px solid rgba(255, 255, 255, 0.2);
+      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
+      opacity: 0;
+      visibility: hidden;
+      transition: opacity 0.2s ease, visibility 0.2s ease;
+    }
+    .model-tooltip.show {
+      opacity: 1;
+      visibility: visible;
+    }
+    /* tooltip 箭头 */
+    .model-tooltip::before {
+      content: "";
+      position: absolute;
+      right: 100%;
+      top: 50%;
+      transform: translateY(-50%);
+      border-width: 7px;
+      border-style: solid;
+      border-color: transparent rgba(255, 255, 255, 0.2) transparent transparent;
+      z-index: -1;
+    }
+    .model-tooltip::after {
+      content: "";
+      position: absolute;
+      right: 100%;
+      top: 50%;
+      transform: translateY(-50%);
+      border-width: 6px;
+      border-style: solid;
+      border-color: transparent #1e1e1e transparent transparent;
+      margin-right: 1px;
+    }
+  `;
+}
+
+/**
+ * 获取模型选择器的脚本
+ */
+export function getModelSelectorScript(): string {
+  return `
+    // 模型选择相关变量
+    let currentModel = 'auto';
+
+    // 切换模型下拉框显示/隐藏
+    function toggleModelDropdown() {
+      const modelSelect = document.getElementById('modelSelect');
+      const customSelect = document.getElementById('customSelect');
+      if (modelSelect) {
+        modelSelect.classList.toggle('active');
+        // 关闭模式下拉框
+        if (customSelect) {
+          customSelect.classList.remove('active');
+        }
+      }
+    }
+
+    // 选择模型
+    function selectModel(value, label) {
+      currentModel = value;
+      const modelValue = document.getElementById('modelValue');
+      if (modelValue) {
+        modelValue.textContent = label;
+      }
+
+      // 更新选中状态
+      const options = document.querySelectorAll('#modelDropdown .select-option');
+      options.forEach(option => {
+        if (option.getAttribute('data-value') === value) {
+          option.classList.add('selected');
+        } else {
+          option.classList.remove('selected');
+        }
+      });
+
+      // 关闭下拉框
+      const modelSelect = document.getElementById('modelSelect');
+      if (modelSelect) {
+        modelSelect.classList.remove('active');
+      }
+    }
+
+    // 点击外部关闭模型下拉框
+    document.addEventListener('click', (event) => {
+      const modelSelect = document.getElementById('modelSelect');
+      if (modelSelect && !modelSelect.contains(event.target)) {
+        modelSelect.classList.remove('active');
+      }
+    });
+
+    // 获取当前选中的模型
+    function getCurrentModel() {
+      return currentModel;
+    }
+
+    // 模型选择器 tooltip 功能
+    (function initModelTooltip() {
+      const modelDropdown = document.getElementById('modelDropdown');
+      const modelTooltip = document.getElementById('modelTooltip');
+
+      if (!modelDropdown || !modelTooltip) return;
+
+      // 为每个选项添加鼠标事件
+      const options = modelDropdown.querySelectorAll('.select-option');
+
+      options.forEach(option => {
+        option.addEventListener('mouseenter', function(e) {
+          const tooltipText = this.getAttribute('data-tooltip');
+          if (!tooltipText) return;
+
+          // 设置 tooltip 内容
+          modelTooltip.textContent = tooltipText;
+
+          // 获取选项的位置
+          const rect = this.getBoundingClientRect();
+
+          // 计算 tooltip 位置（在选项右侧）
+          const tooltipRect = modelTooltip.getBoundingClientRect();
+          const left = rect.right + 12;
+          const top = rect.top + (rect.height / 2) - (tooltipRect.height / 2);
+
+          // 设置位置
+          modelTooltip.style.left = left + 'px';
+          modelTooltip.style.top = top + 'px';
+
+          // 显示 tooltip
+          modelTooltip.classList.add('show');
+        });
+
+        option.addEventListener('mouseleave', function() {
+          // 隐藏 tooltip
+          modelTooltip.classList.remove('show');
+        });
+      });
+    })();
+  `;
+}