converting to object todos

step1-07/src/components/TodoHeader.tsx

@@ -1,21 +1,45 @@
-import React from "react";
+import React from 'react';
 
 export class TodoHeader extends React.Component<any, any> {
+  constructor(props) {
+    super(props);
+    this.state = { labelInput: '' };
+  }
+
   render() {
-    const { filter, inputValue, onInputChange, onTodoSubmit, onFilterClick } = this.props;
+    const { filter } = this.props;
     return (
       <div>
         <h1>todos</h1>
-        <input value={inputValue} onChange={onInputChange} className="textfield" />
-        <button onClick={onTodoSubmit} className="button add">Add</button>
+        <input value={this.state.labelInput} onChange={this._onChange} className="textfield" />
+        <button onClick={this._onAdd} className="button add">
+          Add
+        </button>
         <div className="filter">
-          <button onClick={() => onFilterClick('all')} className={filter == "all" ? "active" : ""}>all</button>
-          <button onClick={() => onFilterClick('active')} className={filter == "active" ? "active" : ""}>active</button>
-          <button onClick={() => onFilterClick('completed')} className={filter == "completed" ? "active" : ""}>
+          <button onClick={() => this._onFilter('all')} className={filter == 'all' ? 'active' : ''}>
+            all
+          </button>
+          <button onClick={() => this._onFilter('active')} className={filter == 'active' ? 'active' : ''}>
+            active
+          </button>
+          <button onClick={() => this._onFilter('completed')} className={filter == 'completed' ? 'active' : ''}>
             completed
           </button>
         </div>
       </div>
     );
   }
+
+  _onFilter = filter => {
+    this.props.setFilter(filter);
+  };
+
+  _onChange = evt => {
+    this.setState({ labelInput: evt.target.value });
+  };
+
+  _onAdd = () => {
+    this.props.addTodo(this.state.labelInput);
+    this.setState({ labelInput: '' });
+  };
 }