private void DrawBreadcrumbs(bool isShowingPreviewSteps, Rect rect)
{
if (this.NumRenameOperations == 0)
{
var emptyBreadcrumbRect = new Rect(rect);
emptyBreadcrumbRect.width = 20.0f;
EditorGUI.BeginDisabledGroup(true);
GUI.Toggle(emptyBreadcrumbRect, false, string.Empty, "GUIEditor.BreadcrumbLeft");
EditorGUI.EndDisabledGroup();
}
else
{
if (isShowingPreviewSteps)
{
var totalWidth = 0.0f;
for (int i = 0; i < this.NumRenameOperations; ++i)
{
var drawerAtBreadcrumb = this.RenameOperationsToApplyWithBindings[i].Drawer;
var breadcrumbOption = new PreviewBreadcrumbOptions();
breadcrumbOption.Heading = drawerAtBreadcrumb.HeadingLabel;
breadcrumbOption.HighlightColor = drawerAtBreadcrumb.HighlightColor;
breadcrumbOption.UseLeftStyle = i == 0;
breadcrumbOption.Enabled = i == this.FocusedRenameOpIndex;
var breadcrumbPosition = new Vector2(rect.x + totalWidth, rect.y);
var nextBreadcrumbRect = new Rect(breadcrumbPosition, breadcrumbOption.SizeForContent);
nextBreadcrumbRect.position = new Vector2(rect.x + totalWidth, rect.y);
var selected = DrawPreviewBreadcrumb(nextBreadcrumbRect, breadcrumbOption);
if (selected && i != this.FocusedRenameOpIndex)
{
var renameOp = this.RenameOperationsToApplyWithBindings[i].Operation;
this.FocusRenameOperationDeferred(renameOp);
}
totalWidth += nextBreadcrumbRect.width;
}
}
else
{
var breadcrumbeOptions =
new PreviewBreadcrumbOptions()
{
Heading = "Result", HighlightColor = Color.clear, Enabled = true, UseLeftStyle = true
};
var breadcrumbSize = breadcrumbeOptions.SizeForContent;
breadcrumbSize.y = rect.height;
DrawPreviewBreadcrumb(new Rect(rect.position, breadcrumbSize), breadcrumbeOptions);
}
}
}
private void DrawToolbar()
{
EditorGUILayout.BeginHorizontal(EditorStyles.toolbar);
GUILayout.Label("Rename Operations", GUILayout.Width(340.0f));
// The breadcrumb style spills to the left some so we need to leave extra space for it
const float BreadcrumbLeftOffset = 5.0f;
GUILayout.Space(BreadcrumbLeftOffset + 1.0f);
// Show step previewing mode when only one operation is left because Results mode is pointless with one op only.
// But don't actually change the mode preference so that adding ops restores whatever mode the user was in.
this.IsShowingPreviewSteps = this.IsPreviewStepModePreference || this.RenameOperationsToApply.Count <= 1;
if (this.IsShowingPreviewSteps)
{
var breadcrumbOptions = new PreviewBreadcrumbOptions[this.RenameOperationsToApply.Count];
for (int i = 0; i < this.RenameOperationsToApply.Count; ++i)
{
var operationAtBreadcrumb = this.RenameOperationsToApply[i];
breadcrumbOptions[i].Heading = operationAtBreadcrumb.HeadingLabel;
breadcrumbOptions[i].HighlightColor = operationAtBreadcrumb.HighlightColor;
}
var selectedBreadcrumbIndex = DrawPreviewBreadcrumbs(this.FocusedRenameOpIndex, breadcrumbOptions);
if (selectedBreadcrumbIndex != this.FocusedRenameOpIndex)
{
var renameOp = this.RenameOperationsToApply[selectedBreadcrumbIndex];
this.FocusRenameOperationDeferred(renameOp);
}
}
else
{
DrawPreviewBreadcrumbs(0, new PreviewBreadcrumbOptions()
{
Heading = "Result", HighlightColor = Color.clear
});
}
GUILayout.FlexibleSpace();
EditorGUI.BeginDisabledGroup(this.RenameOperationsToApply.Count <= 1);
var buttonText = "Preview Steps";
this.IsPreviewStepModePreference = GUILayout.Toggle(this.IsPreviewStepModePreference, buttonText, "toolbarbutton");
EditorGUI.EndDisabledGroup();
EditorGUILayout.EndHorizontal();
}
private static bool DrawPreviewBreadcrumb(Rect rect, PreviewBreadcrumbOptions breacrumbConfig)
{
var styleName = breacrumbConfig.StyleName;
var enabled = breacrumbConfig.Enabled;
bool selected = GUI.Toggle(rect, enabled, breacrumbConfig.Heading, styleName);
if (selected)
{
var coloredHighlightRect = new Rect(rect);
coloredHighlightRect.height = 2;
coloredHighlightRect.width += 1.0f;
coloredHighlightRect.x += breacrumbConfig.UseLeftStyle ? -5.0f : -4.0f;
var oldColor = GUI.color;
GUI.color = breacrumbConfig.HighlightColor;
GUI.DrawTexture(coloredHighlightRect, Texture2D.whiteTexture);
GUI.color = oldColor;
}
return(selected);
}