seeimage.form

图像管理 对图片进行预览的功能（参考ACDSee界面）。要求在界面中显示一个本地计算机中的文件夹的树形结构

<?xml version="1.0" encoding="UTF-8" ?>

<Form version="1.3" maxVersion="1.3" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
  <NonVisualComponents>
    <Menu class="java.awt.MenuBar" name="menuBar1">
      <SubComponents>
        <Menu class="java.awt.Menu" name="menu1">
          <Properties>
            <Property name="label" type="java.lang.String" value="Menu"/>
          </Properties>
        </Menu>
      </SubComponents>
    </Menu>
    <Component class="javax.swing.JToggleButton" name="jToggleButton1">
      <Properties>
        <Property name="text" type="java.lang.String" value="jToggleButton1"/>
        <Property name="focusable" type="boolean" value="false"/>
        <Property name="horizontalTextPosition" type="int" value="0"/>
        <Property name="verticalTextPosition" type="int" value="3"/>
      </Properties>
    </Component>
    <Container class="javax.swing.JDesktopPane" name="jDesktopPane1">

      <Layout class="org.netbeans.modules.form.compat2.layouts.support.JLayeredPaneSupportLayout"/>
    </Container>
    <Container class="javax.swing.JSplitPane" name="jSplitPane1">

      <Layout class="org.netbeans.modules.form.compat2.layouts.support.JSplitPaneSupportLayout"/>
    </Container>
    <Container class="javax.swing.JTabbedPane" name="jTabbedPane1">

      <Layout class="org.netbeans.modules.form.compat2.layouts.support.JTabbedPaneSupportLayout"/>
    </Container>
    <Container class="javax.swing.JFrame" name="jFrame1">
      <Properties>
        <Property name="defaultCloseOperation" type="int" value="3"/>
        <Property name="alwaysOnTop" type="boolean" value="true"/>
        <Property name="bounds" type="java.awt.Rectangle" editor="org.netbeans.beaninfo.editors.RectangleEditor">
          <Rectangle value="[320, 200, 320, 200]"/>
        </Property>
      </Properties>

      <Layout>
        <DimensionLayout dim="0">
          <Group type="103" groupAlignment="0" attributes="0">
              <EmptySpace min="0" pref="400" max="32767" attributes="0"/>
          </Group>
        </DimensionLayout>
        <DimensionLayout dim="1">
          <Group type="103" groupAlignment="0" attributes="0">
              <EmptySpace min="0" pref="300" max="32767" attributes="0"/>
          </Group>
        </DimensionLayout>
      </Layout>
    </Container>
    <Container class="javax.swing.JScrollPane" name="jScrollPane1">
      <AuxValues>
        <AuxValue name="autoScrollPane" type="java.lang.Boolean" value="true"/>
      </AuxValues>

      <Layout class="org.netbeans.modules.form.compat2.layouts.support.JScrollPaneSupportLayout"/>
      <SubComponents>
        <Component class="javax.swing.JTree" name="jTree1">
        </Component>
      </SubComponents>
    </Container>
    <Menu class="javax.swing.JMenuBar" name="jMenuBar3">
      <Properties>
        <Property name="border" type="javax.swing.border.Border" editor="org.netbeans.modules.form.editors2.BorderEditor">
          <Border info="org.netbeans.modules.form.compat2.border.BevelBorderInfo">
            <BevelBorder/>
          </Border>
        </Property>
      </Properties>
      <SubComponents>
        <Menu class="javax.swing.JMenu" name="jMenu8">
          <Properties>
            <Property name="text" type="java.lang.String" value="&#x6587;&#x4ef6;"/>
          </Properties>
          <SubComponents>
            <MenuItem class="javax.swing.JSeparator" name="jSeparator8">
            </MenuItem>
            <MenuItem class="javax.swing.JSeparator" name="jSeparator9">
            </MenuItem>
            <MenuItem class="javax.swing.JMenuItem" name="jMenuItem2">
              <Properties>
                <Property name="text" type="java.lang.String" value="&#x9000;&#x51fa;"/>
              </Properties>
              <Events>
                <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="jMenuItem1ActionPerformed"/>
              </Events>
            </MenuItem>
          </SubComponents>
        </Menu>
        <Menu class="javax.swing.JMenu" name="jMenu11">
          <Properties>
            <Property name="text" type="java.lang.String" value="&#x67e5;&#x770b;"/>
          </Properties>
        </Menu>
        <Menu class="javax.swing.JMenu" name="jMenu12">
          <Properties>
            <Property name="text" type="java.lang.String" value="&#x5de5;&#x5177;"/>
          </Properties>
        </Menu>
        <Menu class="javax.swing.JMenu" name="jMenu13">
          <Properties>
            <Property name="text" type="java.lang.String" value="&#x5e2e;&#x52a9;"/>
          </Properties>
        </Menu>
      </SubComponents>
    </Menu>
  </NonVisualComponents>
  <Properties>
    <Property name="defaultCloseOperation" type="int" value="2"/>
    <Property name="title" type="java.lang.String" value="&#x7535;&#x5b50;&#x50cf;&#x7247;&#x7ba1;&#x7406;&#x7a0b;&#x5e8f;"/>
    <Property name="background" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor">
      <Color blue="ff" green="ff" red="ff" type="rgb"/>
    </Property>
    <Property name="locationByPlatform" type="boolean" value="true"/>
  </Properties>
  <SyntheticProperties>
    <SyntheticProperty name="menuBar" type="java.lang.String" value="jMenuBar3"/>
    <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
  </SyntheticProperties>
  <AuxValues>
    <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/>
    <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="2"/>
    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
  </AuxValues>

  <Layout>
    <DimensionLayout dim="0">
      <Group type="103" groupAlignment="0" attributes="0">
          <Group type="102" attributes="0">
              <Group type="103" groupAlignment="0" attributes="0">
                  <Group type="102" attributes="0">
                      <EmptySpace max="-2" attributes="0"/>
                      <Component id="jButton1" linkSize="1" min="-2" max="-2" attributes="0"/>
                      <EmptySpace max="-2" attributes="0"/>
                      <Component id="jButton2" linkSize="1" min="-2" max="-2" attributes="0"/>
                      <EmptySpace min="-2" pref="2" max="-2" attributes="0"/>
                      <Component id="jButton3" linkSize="1" min="-2" pref="97" max="-2" attributes="0"/>
                      <EmptySpace max="-2" attributes="0"/>
                      <Component id="jButton4" linkSize="1" min="-2" max="-2" attributes="0"/>
                      <EmptySpace max="-2" attributes="0"/>
                      <Group type="103" groupAlignment="0" attributes="0">
                          <Group type="102" alignment="0" attributes="0">
                              <EmptySpace min="-2" pref="1937" max="-2" attributes="0"/>
                              <Component id="jToolBar2" min="-2" max="-2" attributes="0"/>
                              <EmptySpace min="-2" pref="573" max="-2" attributes="0"/>
                              <Component id="jToolBar1" pref="3" max="32767" attributes="0"/>
                          </Group>
                          <Group type="102" alignment="0" attributes="0">
                              <Component id="jButton7" linkSize="1" min="-2" pref="70" max="-2" attributes="0"/>
                              <EmptySpace max="-2" attributes="0"/>
                              <Group type="103" groupAlignment="0" max="-2" attributes="0">
                                  <Component id="jLabel2" max="32767" attributes="1"/>
                                  <Component id="jButton5" max="32767" attributes="1"/>
                                  <Component id="jTextField1" alignment="0" max="32767" attributes="1"/>
                              </Group>
                              <EmptySpace min="-2" pref="56" max="-2" attributes="0"/>
                              <Component id="jButton6" min="-2" max="-2" attributes="0"/>
                          </Group>
                      </Group>
                  </Group>
                  <Group type="102" alignment="0" attributes="0">
                      <EmptySpace min="-2" pref="39" max="-2" attributes="0"/>
                      <Component id="jLabel1" min="-2" pref="1237" max="-2" attributes="0"/>
                  </Group>
              </Group>
              <EmptySpace max="-2" attributes="0"/>
          </Group>
      </Group>
    </DimensionLayout>
    <DimensionLayout dim="1">
      <Group type="103" groupAlignment="0" attributes="0">
          <Group type="102" alignment="0" attributes="0">
              <EmptySpace max="-2" attributes="0"/>
              <Group type="103" groupAlignment="0" attributes="0">
                  <Group type="103" groupAlignment="3" attributes="0">
                      <Component id="jButton7" alignment="3" max="32767" attributes="1"/>
                      <Component id="jButton5" alignment="3" min="-2" max="-2" attributes="0"/>
                      <Component id="jButton6" alignment="3" min="-2" max="-2" attributes="0"/>
                  </Group>
                  <Group type="102" alignment="0" attributes="0">
                      <Component id="jTextField1" min="-2" max="-2" attributes="0"/>
                      <EmptySpace max="-2" attributes="0"/>
                      <Component id="jLabel2" min="-2" max="-2" attributes="0"/>
                      <EmptySpace min="-2" pref="59" max="-2" attributes="0"/>
                  </Group>
                  <Group type="102" attributes="0">
                      <Group type="103" groupAlignment="3" attributes="0">
                          <Component id="jButton1" alignment="3" pref="75" max="32767" attributes="1"/>
                          <Component id="jButton2" alignment="3" pref="75" max="32767" attributes="1"/>
                          <Component id="jButton3" alignment="3" pref="75" max="32767" attributes="1"/>
                          <Component id="jButton4" alignment="3" pref="75" max="32767" attributes="1"/>
                      </Group>
                      <EmptySpace min="-2" pref="28" max="-2" attributes="0"/>
                  </Group>
              </Group>
              <EmptySpace max="-2" attributes="0"/>
              <Group type="103" groupAlignment="0" attributes="0">
                  <Group type="102" attributes="0">
                      <EmptySpace min="-2" pref="1017" max="-2" attributes="0"/>
                      <Component id="jToolBar1" min="-2" max="-2" attributes="0"/>
                  </Group>
                  <Group type="102" alignment="0" attributes="0">
                      <EmptySpace max="-2" attributes="0"/>
                      <Component id="jToolBar2" min="-2" max="-2" attributes="0"/>
                      <EmptySpace max="-2" attributes="0"/>
                      <Component id="jLabel1" min="-2" pref="676" max="-2" attributes="0"/>
                  </Group>
              </Group>
              <EmptySpace max="-2" attributes="0"/>
          </Group>
      </Group>
    </DimensionLayout>
  </Layout>
  <SubComponents>
    <Container class="javax.swing.JToolBar" name="jToolBar1">