教你如何創建自己的文字編輯器 >> 幽幽天空设计欣赏网页设计原创作品

onEnterFrame = function() {
   if(Selection.getFocus() == "_level0.my_text") {       //循環偵測目前鼠標是否是在輸入欄位當中
      ss = Selection.getBeginIndex();       //取得選取的開始位置
      se = Selection.getEndIndex();       //取得選取結束的位置
   }
}

//監聽文字大小ComboBox更換事件
sizeChange = new Object();
sizeChange.change = function (eventObj) {
   if (ss != se) {       //如果有選取範圍的話
      current = my_text.getTextFormat(ss, se);          //取得輸入欄位範圍內的文字
      current.size = eventObj.target.value;       //取得ComboBox當中的值, 然後設定範圍內的格式
      my_text.setTextFormat(ss, se, current);         //設定格式
   } else {       //當沒有選取範圍的時候
      current = my_text.getTextFormat();
      current.size = eventObj.target.value;
      my_text.setNewTextFormat(current);
   }
}
txtSize.addEventListener("change", sizeChange);

//監聽字型ComboBox更換事件, 指令解釋同上
fontChange = new Object();
fontChange.change = function (eventObj) {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      current.font = eventObj.target.value;
      my_text.setTextFormat(ss, se, current);
   } else {
      current = my_text.getTextFormat();
      current.font = eventObj.target.value;
      my_text.setNewTextFormat(current);
   }
}
txtFont.addEventListener("change", fontChange);

//監聽顏色ComboBox更換事件, 指令解釋同上
colorChange = new Object();
colorChange.change = function (eventObj) {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      current.color = eventObj.target.value;
      my_text.setTextFormat(ss, se, current);
   } else {
      current = my_text.getTextFormat();
      current.color = eventObj.target.value;
      my_text.setNewTextFormat(current);
   }
}
txtColor.addEventListener("change", colorChange);

//粗體按鈕事件, 指令解釋同上
bold.onRelease = function() {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      if (current.bold) {
         current.bold = false;
      } else {
         current.bold = true;
      }
      my_text.setTextFormat(ss, se, current);
   }
}

//斜體按鈕事件, 指令解釋同上
italic.onRelease = function() {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      if (current.italic) {
         current.italic = false;
      } else {
         current.italic = true;
      }
      my_text.setTextFormat(ss, se, current);
   }
}

//底線按鈕事件, 指令解釋同上
underline.onRelease = function() {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      if (current.underline) {
         current.underline = false;
      } else {
         current.underline = true;
      }
      my_text.setTextFormat(ss, se, current);
   }
}

//向左對齊按鈕事件, 指令解釋同上
leftAlign.onRelease = function() {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      current.align = "left";
      my_text.setTextFormat(ss, se, current);
   }
}

//中間對齊按鈕事件, 指令解釋同上
centerAlign.onRelease = function() {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      current.align = "center";
      my_text.setTextFormat(ss, se, current);
   }
}

//向右對齊按鈕事件, 指令解釋同上
rightAlign.onRelease = function() {
   if (ss != se) {
      current = my_text.getTextFormat(ss, se);
      current.align = "right";
      my_text.setTextFormat(ss, se, current);
   }
}