<?xml version="1.0" encoding="UTF-8"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<!DOCTYPE overlay SYSTEM "chrome://calendar/locale/calendar.dtd">

<bindings id="gdata-list-tree-bindings"
          xmlns="http://www.mozilla.org/xbl"
          xmlns:xbl="http://www.mozilla.org/xbl"
          xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <binding id="gdata-list-tree" extends="chrome://calendar/content/widgets/calendar-list-tree.xml#calendar-list-tree">
    <content>
      <xul:tree anonid="tree"
                xbl:inherits="hidecolumnpicker"
                hidecolumnpicker="true"
                seltype="single"
                flex="1">
        <xul:treecols anonid="treecols"
                      xbl:inherits="hideheader"
                      hideheader="true">
          <xul:treecol anonid="checkbox-treecol"
                       xbl:inherits="cycler,hideheader"
                       cycler="true"
                       hideheader="true"
                       width="17"/>
          <xul:treecol anonid="color-treecol"
                       xbl:inherits="cycler,hideheader"
                       hideheader="true"
                       width="16"/>
          <xul:treecol anonid="calendarname-treecol"
                       xbl:inherits="cycler,hideheader"
                       primary="true"
                       hideheader="true"
                       label="&calendar.unifinder.tree.calendarname.label;"
                       flex="1"/>
          <xul:treecol anonid="status-treecol"
                       xbl:inherits="cycler,hideheader"
                       hideheader="true"
                       width="18"/>
          <children includes="treecol"/>
          <xul:treecol anonid="scrollbar-spacer"
                       xbl:inherits="cycler,hideheader"
                       fixed="true"
                       hideheader="true">
            <!-- This is a very elegant workaround to make sure the last column
                 is not covered by the scrollbar in case of an overflow. This
                 treecol needs to be here last -->
            <xul:slider anonid="scrollbar-slider" orient="vertical"/>
          </xul:treecol>
        </xul:treecols>
        <xul:treechildren anonid="treechildren"
                          xbl:inherits="tooltip=childtooltip,context=childcontext"
                          tooltip="_child"
                          context="_child"
                          ondragstart="onDragStart(event);"
                          onoverflow="displayScrollbarSpacer(true)"
                          onunderflow="displayScrollbarSpacer(false)">
          <children includes="tooltip|menupopup"/>
        </xul:treechildren>
      </xul:tree>
    </content>

    <implementation>
      <constructor><![CDATA[
        this.tree.view = this;
      ]]></constructor>

      <property name="mockCalendarHeader" readonly="true">
        <getter><![CDATA[
          let calmgr = cal.getCalendarManager();
          let uri = "dummy://calendar";
          let mem = calmgr.createCalendar("memory", Services.io.newURI(uri, null, null));
          mem.setProperty("disabled", true);
          mem.name = "Calendars";
          mem.id = cal.getUUID();
          return mem;
        ]]></getter>
      </property>

      <property name="mockTaskHeader" readonly="true">
        <getter><![CDATA[
          let calmgr = cal.getCalendarManager();
          let uri = "dummy://tasks";
          let mem = calmgr.createCalendar("memory", Services.io.newURI(uri, null, null));
          mem.setProperty("disabled", true);
          mem.name = "Task Lists";
          mem.id = cal.getUUID();
          return mem;
        ]]></getter>
      </property>

      <field name="mCalendarHeaderIndex">0</field>
      <field name="mTasksHeaderIndex">0</field>

      <field name="QueryInterface">XPCOMUtils.generateQI([Components.interfaces.nsITreeView])</field>

      <property name="calendars">
        <getter><![CDATA[
          return this.mCalendarList;
        ]]></getter>
        <setter><![CDATA[
          for (let i = 0; i < val.length; i++) {
              let calendar = val[i];
              let spec = calendar.uri.spec;
              if (calendar.type == "memory") {
                  if (spec == "dummy://calendar") {
                      this.mCalendarHeaderIndex = i;
                  } else if (spec == "dummy://tasks") {
                      this.mTasksHeaderIndex = i;
                  }
              }
              this.addCalendar(calendar);
          }
          return this.mCalendarList;
        ]]></setter>
      </property>

      <method name="removeCalendar">
        <parameter name="aCalendar"/>
        <body><![CDATA[
          let index = this.findIndexById(aCalendar.id);
          if (index < this.mCalendarHeaderIndex) {
            this.mCalendarHeaderIndex--;
          }
          if (index < this.mTasksHeaderIndex) {
            this.mTasksHeaderIndex--;
          }
          return this.__proto__.__proto__.removeCalendar.call(this, aCalendar);
        ]]></body>
      </method>

      <method name="clear">
        <body><![CDATA[
          let calendars = this.mCalendarList.concat([]);
          calendars.forEach(this.removeCalendar, this);
        ]]></body>
      </method>

      <method name="getRowProperties">
        <parameter name="aRow"/>
        <parameter name="aProps"/>
        <body><![CDATA[
          let props = this.__proto__.__proto__.getRowProperties.call(this, aRow, aProps);
          let calendar = this.getCalendar(aRow);

          if (calendar.readOnly) {
              if (aProps) {
                  // Compatibility with old tree props code
                  aProps.AppendElement(cal.getAtomFromService("checked"));
              } else {
                  props += " checked";
              }
          }

          return props;
        ]]></body>
      </method>

      <method name="isContainerEmpty">
        <parameter name="aRow"/>
        <body><![CDATA[
          return (aRow == this.mCalendarHeaderIndex &&
                  aRow + 1 == this.mTasksHeaderIndex) ||
                 (aRow == this.mTasksHeaderIndex &&
                  aRow == this.mCalendarList.length);
        ]]></body>
      </method>

      <method name="isContainer">
        <parameter name="aRow"/>
        <body><![CDATA[
          let calendar = this.getCalendar(aRow);
          return (calendar.type == "memory" && calendar.uri.schemeIs("dummy"));
        ]]></body>
      </method>

      <method name="isContainerOpen">
        <parameter name="aRow"/>
        <body><![CDATA[
          return true;
        ]]></body>
      </method>

      <method name="getParentIndex">
        <parameter name="aRow"/>
        <body><![CDATA[
          let calendar = this.getCalendar(aRow);
          if (calendar.uri.path.includes("?calendar")) {
              return this.mCalendarHeaderIndex;
          } else if (calendar.uri.path.includes("?tasks")) {
              return this.mTasksHeaderIndex;
          } else {
              return -1;
          }
        ]]></body>
      </method>

      <method name="hasNextSibling">
        <parameter name="aRow"/>
        <parameter name="aAfterIndex"/>
        <body><![CDATA[
          if (aRow == this.mCalendarHeaderIndex) {
              return aAfterIndex < this.mTasksHeaderIndex;
          } else if (aRow == this.mTasksHeaderIndex) {
              return false;
          } else {
              return aAfterIndex != this.mCalendarHeaderIndex - 1 &&
                     aAfterIndex != this.mTasksHeaderIndex - 1;
          }
        ]]></body>
      </method>

      <method name="cycleCell">
        <parameter name="aRow"/>
        <parameter name="aCol"/>
        <body><![CDATA[
          let calendar = this.getCalendar(aRow);
          let composite = this.compositeCalendar;
          if (composite.getCalendarById(calendar.id)) {
              composite.removeCalendar(calendar);
          } else {
              composite.addCalendar(calendar);
          }
          this.treebox.invalidateRow(aRow);
        ]]></body>
      </method>

      <method name="getLevel">
        <parameter name="aRow"/>
        <body><![CDATA[
          return this.isContainer(aRow) ? 0 : 1;
        ]]></body>
      </method>
    </implementation>
  </binding>
</bindings>