text: /*
   * Copyright 2018 Palantir Technologies, Inc. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  import { __decorate, __extends, __spreadArrays } from "tslib";
  import classNames from "classnames";
  import * as React from "react";
  import { polyfill } from "react-lifecycles-compat";
  import { CSSTransition, TransitionGroup } from "react-transition-group";
  import { AbstractPureComponent2, Classes } from "../../common";
  import * as Errors from "../../common/errors";
  import { PanelView } from "./panelView";
  /** @deprecated use `PanelStack2<T>` */
  var PanelStack = /** @class */ (function (_super) {
      __extends(PanelStack, _super);
      function PanelStack() {
          var _this = _super !== null && _super.apply(this, arguments) || this;
          _this.state = {
              direction: "push",
              stack: _this.props.stack != null
                  ? _this.props.stack.slice().reverse()
                  : _this.props.initialPanel !== undefined
                      ? [_this.props.initialPanel]
                      : [],
          };
          _this.renderPanel = function (panel, index) {
              var _a = _this.props, renderActivePanelOnly = _a.renderActivePanelOnly, _b = _a.showPanelHeader, showPanelHeader = _b === void 0 ? true : _b;
              var stack = _this.state.stack;
              // With renderActivePanelOnly={false} we would keep all the CSSTransitions rendered,
              // therefore they would not trigger the "enter" transition event as they were entered.
              // To force the enter event, we want to change the key, but stack.length is not enough
              // and a single panel should not rerender as long as it's hidden.
              // This key contains two parts: first one, stack.length - index is constant (and unique) for each panel,
              // second one, active changes only when the panel becomes or stops being active.
              var layer = stack.length - index;
              var key = renderActivePanelOnly ? stack.length : layer;
              return (React.createElement(CSSTransition, { classNames: Classes.PANEL_STACK, key: key, timeout: 400 },
                  React.createElement(PanelView, { onClose: _this.handlePanelClose, onOpen: _this.handlePanelOpen, panel: panel, previousPanel: stack[index + 1], showHeader: showPanelHeader })));
          };
          _this.handlePanelClose = function (panel) {
              var _a, _b;
              var stack = _this.state.stack;
              // only remove this panel if it is at the top and not the only one.
              if (stack[0] !== panel || stack.length <= 1) {
                  return;
              }
              (_b = (_a = _this.props).onClose) === null || _b === void 0 ? void 0 : _b.call(_a, panel);
              if (_this.props.stack == null) {
                  _this.setState(function (state) { return ({
                      direction: "pop",
                      stack: state.stack.slice(1),
                  }); });
              }
          };
          _this.handlePanelOpen = function (panel) {
              var _a, _b;
              (_b = (_a = _this.props).onOpen) === null || _b === void 0 ? void 0 : _b.call(_a, panel);
              if (_this.props.stack == null) {
                  _this.setState(function (state) { return ({
                      direction: "push",
                      stack: __spreadArrays([panel], state.stack),
                  }); });
              }
          };
          return _this;
      }
      PanelStack.prototype.componentDidUpdate = function (prevProps, prevState) {
          _super.prototype.componentDidUpdate.call(this, prevProps, prevState);
          // Always update local stack if stack prop changes
          if (this.props.stack !== prevProps.stack && prevProps.stack != null) {
              this.setState({ stack: this.props.stack.slice().reverse() });
          }
          // Only update animation direction if stack length changes
          var stackLength = this.props.stack != null ? this.props.stack.length : 0;
          var prevStackLength = prevProps.stack != null ? prevProps.stack.length : 0;
          if (stackLength !== prevStackLength && prevProps.stack != null) {
              this.setState({
                  direction: prevProps.stack.length - this.props.stack.length < 0 ? "push" : "pop",
              });
          }
      };
      PanelStack.prototype.render = function () {
          var classes = classNames(Classes.PANEL_STACK, Classes.PANEL_STACK + "-" + this.state.direction, this.props.className);
          return (React.createElement(TransitionGroup, { className: classes, component: "div" }, this.renderPanels()));
      };
      PanelStack.prototype.validateProps = function (props) {
          if ((props.initialPanel == null && props.stack == null) ||
              (props.initialPanel != null && props.stack != null)) {
              console.error(Errors.PANEL_STACK_INITIAL_PANEL_STACK_MUTEX);
          }
          if (props.stack != null && props.stack.length === 0) {
              console.error(Errors.PANEL_STACK_REQUIRES_PANEL);
          }
      };
      PanelStack.prototype.renderPanels = function () {
          var _a = this.props.renderActivePanelOnly, renderActivePanelOnly = _a === void 0 ? true : _a;
          var stack = this.state.stack;
          if (stack.length === 0) {
              return null;
          }
          var panelsToRender = renderActivePanelOnly ? [stack[0]] : stack;
          var panelViews = panelsToRender.map(this.renderPanel).reverse();
          return panelViews;
      };
      PanelStack = __decorate([
          polyfill
      ], PanelStack);
      return PanelStack;
  }(AbstractPureComponent2));
  export { PanelStack };
  //# sourceMappingURL=panelStack.js.map