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path: root/amiga/tree.c
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/*
 * Copyright 2008,2009 Chris Young <chris@unsatisfactorysoftware.co.uk>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * NetSurf is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "desktop/tree.h"
#include <proto/listbrowser.h>
#include <proto/window.h>
#include <proto/layout.h>
#include <classes/window.h>
#include <gadgets/listbrowser.h>
#include <gadgets/layout.h>
#include <reaction/reaction_macros.h>
#include "amiga/gui.h"
#include "content/urldb.h"
#include <proto/exec.h>
#include <assert.h>
#include <proto/intuition.h>
#include "amiga/tree.h"
#include <proto/button.h>
#include <gadgets/button.h>
#include <string.h>
#include "utils/messages.h"
#include <proto/bitmap.h>
#include <images/bitmap.h>

struct Node *selectednode;
struct node *selectednode2;

void ami_add_elements(struct treeview_window *twin,struct node *root,WORD *gen);
bool ami_tree_launch_node(struct tree *tree, struct node *node);
void free_browserlist(struct List *list);
void ami_move_node(struct treeview_window *twin,int move);
void ami_new_bookmark(struct treeview_window *twin);
void ami_recreate_listbrowser(struct treeview_window *twin);

void tree_initialise_redraw(struct tree *tree)
{
}

void tree_redraw_area(struct tree *tree, int x, int y, int width, int height)
{
}

void tree_draw_line(int x, int y, int width, int height)
{
}

void tree_draw_node_element(struct tree *tree, struct node_element *element)
{
	return;
#if 0
/* add element to listbrowser list */

	struct Node *lbnode;
	struct treeview_window *twin = tree->handle;
	struct node *tempnode;
	int generation=1;
	BOOL edit = FALSE;

	tempnode = element->parent;
	edit = tempnode->editable;

	while(tempnode)
	{
		tempnode = tempnode->parent;
		generation++;
	}

	switch (element->type) {
		case NODE_ELEMENT_TEXT_PLUS_SPRITE:
		case NODE_ELEMENT_TEXT:
        		if (lbnode = AllocListBrowserNode(3,
//				LBNA_UserData,nodetime,
			LBNA_Generation,1,
	            LBNA_Column, 0,
				LBNCA_CopyText,TRUE,
 	               LBNCA_Text, element->text,
				LBNCA_Editable,edit,
 	           LBNA_Column, 1,
				LBNCA_CopyText,TRUE,
 	               LBNCA_Text, "",
 	           LBNA_Column, 2,
				LBNCA_CopyText,TRUE,
 	               LBNCA_Text, "",
 	           TAG_DONE))
	  	      {
 		           AddTail(twin->listbrowser_list, lbnode);
 		       }
		break;
	}
#endif
}

void tree_draw_node_expansion(struct tree *tree, struct node *node)
{
	DebugPrintF("tree_draw_node_expansion\n");
}

void tree_recalculate_node_element(struct node_element *element)
{
}

void tree_update_URL_node(struct node *node, const char *url,
	const struct url_data *data)
{
	struct node_element *element;
	char buffer[256];

	assert(node);

	element = tree_find_element(node, TREE_ELEMENT_URL);

	if (!element)
		return;
	if (data) {
		/* node is linked, update */
		assert(!node->editable);
		if (!data->title)
			urldb_set_url_title(url, url);

		if (!data->title)
			return;

		node->data.text = data->title;
	} else {
		/* node is not linked, find data */
		assert(node->editable);
		data = urldb_get_url_data(element->text);
		if (!data)
			return;
	}

/* not implemented yet
	if (element) {
		sprintf(buffer, "small_%.3x", ro_content_filetype_from_type(data->type));
		if (ro_gui_wimp_sprite_exists(buffer))
			tree_set_node_sprite(node, buffer, buffer);
		else
			tree_set_node_sprite(node, "small_xxx", "small_xxx");
	}
*/

	element = tree_find_element(node, TREE_ELEMENT_LAST_VISIT);
	if (element) {
		snprintf(buffer, 256, (char *)messages_get("TreeLast"),
				(data->last_visit > 0) ?
					ctime((time_t *)&data->last_visit) :
					(char *)messages_get("TreeUnknown"));
		if (data->last_visit > 0)
			buffer[strlen(buffer) - 1] = '\0';
		free((void *)element->text);
		element->text = (char *)strdup(buffer);
	}

	element = tree_find_element(node, TREE_ELEMENT_VISITS);
	if (element) {
		snprintf(buffer, 256, (char *)messages_get("TreeVisits"),
				data->visits);
		free((void *)element->text);
		element->text = (char *)strdup(buffer);
	}
}

void tree_resized(struct tree *tree)
{
}

void tree_set_node_sprite_folder(struct node *node)
{
}

void tree_set_node_sprite(struct node *node, const char *sprite,
	const char *expanded)
{
}

void ami_open_tree(struct tree *tree,int type)
{
	struct treeview_window *twin;
	BOOL msel = TRUE,nothl = TRUE,launchdisable=FALSE;
	static WORD gen=0;
	char *wintitle;
	char folderclosed[100],folderopen[100],item[100];

	if(tree->handle)
	{
		twin = (struct treeview_window *)tree->handle;
		WindowToFront(twin->win);
		ActivateWindow(twin->win);
		return;
	}

	twin = AllocVec(sizeof(struct treeview_window),MEMF_PRIVATE | MEMF_CLEAR);
	twin->listbrowser_list = AllocVec(sizeof(struct List),MEMF_PRIVATE | MEMF_CLEAR);

	static struct ColumnInfo columninfo[] =
	{
    	{ 80,"Name", CIF_DRAGGABLE | CIF_SORTABLE},
    	{ 20,"URL", CIF_DRAGGABLE },
//    	{ 5,"Visits", CIF_DRAGGABLE },
    	{ -1, (STRPTR)~0, -1 }
	};

	if(tree->single_selection) msel = FALSE;

	ami_get_theme_filename(&folderclosed,"theme_list_folder_closed");
	ami_get_theme_filename(&folderopen,"theme_list_folder_open");

	switch(type)
	{
		case AMI_TREE_HOTLIST:
			nothl = FALSE;
			wintitle = (char *)messages_get("Hotlist");
			ami_get_theme_filename(&item,"theme_list_bookmark");
		break;
		case AMI_TREE_COOKIES:
			nothl = TRUE;
			launchdisable=TRUE;
			wintitle = (char *)messages_get("Cookies");
			ami_get_theme_filename(&item,"theme_list_cookie");
		break;
		case AMI_TREE_HISTORY:
			nothl = TRUE;
			wintitle = (char *)messages_get("GlobalHistory");
			ami_get_theme_filename(&item,"theme_list_history");
		break;
		case AMI_TREE_SSLCERT:
			nothl = TRUE;
			wintitle = (char *)messages_get("SSLCerts");
			ami_get_theme_filename(&item,"theme_list_sslcert");
		break;
	}

	NewList(twin->listbrowser_list);

	tree->handle = (void *)twin;
	twin->tree = tree;
	ami_add_elements(twin,twin->tree->root,&gen);

	twin->objects[OID_MAIN] = WindowObject,
      	    WA_ScreenTitle,nsscreentitle,
           	WA_Title,wintitle,
           	WA_Activate, TRUE,
           	WA_DepthGadget, TRUE,
           	WA_DragBar, TRUE,
           	WA_CloseGadget, TRUE,
           	WA_SizeGadget, TRUE,
			WA_CustomScreen,scrn,
			WINDOW_SharedPort,sport,
			WINDOW_UserData,twin,
			WINDOW_IconifyGadget, TRUE,
			WINDOW_Position, WPOS_CENTERSCREEN,
			WINDOW_ParentGroup, twin->gadgets[GID_MAIN] = VGroupObject,
				LAYOUT_AddChild, twin->gadgets[GID_TREEBROWSER] = ListBrowserObject,
					GA_ID, GID_TREEBROWSER,
					GA_RelVerify, TRUE,
					GA_ReadOnly,FALSE,
					LISTBROWSER_ColumnInfo, &columninfo,
//					LISTBROWSER_ColumnTitles, TRUE,
					LISTBROWSER_Hierarchical,TRUE,
					LISTBROWSER_Editable,TRUE,
//	LISTBROWSER_TitleClickable,TRUE,
					LISTBROWSER_AutoFit, TRUE,
					LISTBROWSER_HorizontalProp, TRUE,
					LISTBROWSER_Labels, twin->listbrowser_list,
//					LISTBROWSER_MultiSelect,msel,
					LISTBROWSER_ShowSelected,TRUE,
					LISTBROWSER_ShowImage,BitMapObject,
						BITMAP_SourceFile,folderclosed,
						BITMAP_Screen,scrn,
						BITMAP_Masking,TRUE,
						BitMapEnd,
					LISTBROWSER_HideImage,BitMapObject,
						BITMAP_SourceFile,folderopen,
						BITMAP_Screen,scrn,
						BITMAP_Masking,TRUE,
						BitMapEnd,
					LISTBROWSER_LeafImage,BitMapObject,
						BITMAP_SourceFile,item,
						BITMAP_Screen,scrn,
						BITMAP_Masking,TRUE,
						BitMapEnd,
        			ListBrowserEnd,
				CHILD_NominalSize,TRUE,
				LAYOUT_AddChild, HGroupObject,
					LAYOUT_AddChild, twin->gadgets[GID_OPEN] = ButtonObject,
						GA_ID,GID_OPEN,
						GA_Text,messages_get("TreeLaunch"),
						GA_RelVerify,TRUE,
						GA_Disabled,launchdisable,
					ButtonEnd,
					LAYOUT_AddChild, twin->gadgets[GID_NEWF] = ButtonObject,
						GA_ID,GID_NEWF,
						BUTTON_AutoButton,BAG_POPDRAWER,
						GA_RelVerify,TRUE,
						GA_Disabled,nothl,
					ButtonEnd,
					LAYOUT_AddChild, twin->gadgets[GID_NEWB] = ButtonObject,
						GA_ID,GID_NEWB,
						BUTTON_AutoButton,BAG_POPFILE,
						GA_RelVerify,TRUE,
						GA_Disabled,nothl,
					ButtonEnd,
					LAYOUT_AddChild, twin->gadgets[GID_LEFT] = ButtonObject,
						GA_ID,GID_LEFT,
						BUTTON_AutoButton,BAG_LFARROW,
						GA_RelVerify,TRUE,
						GA_Disabled,nothl, //(!tree->movable),
					ButtonEnd,
					LAYOUT_AddChild, twin->gadgets[GID_UP] = ButtonObject,
						GA_ID,GID_UP,
						BUTTON_AutoButton,BAG_UPARROW,
						GA_RelVerify,TRUE,
						GA_Disabled,nothl, //(!tree->movable),
					ButtonEnd,
					LAYOUT_AddChild, twin->gadgets[GID_DOWN] = ButtonObject,
						GA_ID,GID_DOWN,
						BUTTON_AutoButton,BAG_DNARROW,
						GA_RelVerify,TRUE,
						GA_Disabled,nothl, //(!tree->movable),
					ButtonEnd,
					LAYOUT_AddChild, twin->gadgets[GID_DEL] = ButtonObject,
						GA_ID,GID_DEL,
						GA_Text,messages_get("TreeDelete"),
						GA_RelVerify,TRUE,
					ButtonEnd,
				EndGroup,
				CHILD_WeightedHeight,0,
			EndGroup,
		EndWindow;

	twin->win = (struct Window *)RA_OpenWindow(twin->objects[OID_MAIN]);

	twin->node = AddObject(window_list,AMINS_TVWINDOW);
	twin->node->objstruct = twin;
}

/**
 * Launches a node using all known methods.
 *
 * \param node  the node to launch
 * \return whether the node could be launched
 */
bool ami_tree_launch_node(struct tree *tree, struct node *node)
{
	struct node_element *element;

	assert(node);

	element = tree_find_element(node, TREE_ELEMENT_URL);
	if (element) {
		browser_window_create(element->text, NULL, 0, true, false);
		return true;
	}

/* not implemented yet
	element = tree_find_element(node, TREE_ELEMENT_SSL);
	if (element) {
		ro_gui_cert_open(tree, node);
		return true;
	}
*/

	return false;
}

void ami_tree_close(struct treeview_window *twin)
{
	twin->tree->handle = 0;
	DisposeObject(twin->objects[OID_MAIN]);
	FreeListBrowserList(twin->listbrowser_list);
	FreeVec(twin->listbrowser_list);
	//free_browserlist(twin->listbrowser_list);
	DelObject(twin->node);
}

void free_browserlist(struct List *list)
{
    struct Node *node, *nextnode;

	if(IsListEmpty(list)) return;

    node = GetHead(list);

	do
    {
    	nextnode = GetSucc(node);
//		FreeVec(node->ln_Name);
        FreeListBrowserNode(node);
    } while(node = nextnode);
}

void ami_add_elements(struct treeview_window *twin,struct node *root,WORD *gen)
{
	struct Node *lbnode;
	struct tree *tree = twin->tree;
	struct node *tempnode;
	int generation=1;
	BOOL edit = FALSE;
	struct node_element *element=NULL,*element2=NULL,*element3=NULL;
	struct node *node;
	ULONG flags = 0;
	STRPTR text1 = "",text2 = "",text3 = "";

	*gen = *gen + 1;
	for (node = root; node; node = node->next)
	{
		element = tree_find_element(node, TREE_ELEMENT_NAME);
		if(!element) element = tree_find_element(node, TREE_ELEMENT_TITLE);
		if(!element) element = tree_find_element(node, TREE_ELEMENT_SSL);
		if(element && element->text)
		{
			text1 = (char *)element->text;
		}

/* Really, the second column needs axing - relevant data should appear in an
area below the listview when items are selected */

		element2 = tree_find_element(node, TREE_ELEMENT_URL);
		if(!element2) element2 = tree_find_element(node, TREE_ELEMENT_VALUE);
		if(!element2) element2 = tree_find_element(node, TREE_ELEMENT_COMMENT);

		if(element2 && element2->text)
		{
			text2 = (char *)element2->text;
		}
		else
		{
			text2 = "";
		}

//		element = tree_find_element(node, TREE_ELEMENT_VISITS);

		flags = 0;
		/*if(node->expanded) */ flags = LBFLG_SHOWCHILDREN;
		if(node->folder) flags |= LBFLG_HASCHILDREN;
		if(!node->parent) flags |= LBFLG_HIDDEN;

		switch (element->type) {
			case NODE_ELEMENT_TEXT_PLUS_SPRITE:
			case NODE_ELEMENT_TEXT:
    	    		if (lbnode = AllocListBrowserNode(3,
					LBNA_UserData,node,
					LBNA_Generation,*gen - 1,
					LBNA_Selected,node->selected,
					LBNA_Flags,flags,
	            	LBNA_Column, 0,
						LBNCA_CopyText,TRUE,
						LBNCA_MaxChars,256,
	 	               	LBNCA_Text, text1,
						LBNCA_Editable,node->editable,
 	    	       	LBNA_Column, 1,
						LBNCA_CopyText,TRUE,
						LBNCA_MaxChars,256,
 	            	   	LBNCA_Text, text2,
						LBNCA_Editable,FALSE,
 		           	TAG_DONE))
					{
						AddTail(twin->listbrowser_list, lbnode);
						if(node == selectednode2) selectednode = lbnode;
 		       		}
			break;
		}

		if (node->child)
		{
			ami_add_elements(twin,node->child,gen);
		}
	}
	*gen = *gen - 1;
}

BOOL ami_tree_event(struct treeview_window *twin)
{
	/* return TRUE if window destroyed */
	ULONG class,result,relevent = 0;
	ULONG column;
	uint16 code;
	struct MenuItem *item;
	struct node *treenode;
	struct Node *lbnode;
	struct node_element *element;
	char *text;
//	ULONG editcols[] = {TREE_ELEMENT_TITLE,TREE_ELEMENT_URL};
	static WORD gen=0;

	while((result = RA_HandleInput(twin->objects[OID_MAIN],&code)) != WMHI_LASTMSG)
	{
       	switch(result & WMHI_CLASSMASK) // class
   		{
			case WMHI_GADGETUP:
				switch(result & WMHI_GADGETMASK)
				{
					case GID_TREEBROWSER:
						GetAttrs(twin->gadgets[GID_TREEBROWSER],
							LISTBROWSER_RelEvent,&relevent,
							TAG_DONE);

							switch(relevent)
						{
							case LBRE_DOUBLECLICK:
								GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);
								GetListBrowserNodeAttrs(lbnode,
									LBNA_UserData,(ULONG *)&treenode,
									TAG_DONE);
								ami_tree_launch_node(twin->tree,treenode);
							break;

							case LBRE_EDIT:
								GetAttrs(twin->gadgets[GID_TREEBROWSER],
									LISTBROWSER_SelectedNode,(ULONG *)&lbnode,
//									LISTBROWSER_RelColumn,(ULONG *)&column,
									TAG_DONE);

								GetListBrowserNodeAttrs(lbnode,
									LBNA_UserData,(ULONG *)&treenode,
									TAG_DONE);

								element = tree_find_element(treenode,TREE_ELEMENT_TITLE);
								GetListBrowserNodeAttrs(lbnode,
									LBNA_Column,column,
									LBNCA_Text,(ULONG *)&text,
									TAG_DONE);
								element->text = (char *)strdup(text);
								tree_handle_node_element_changed(twin->tree, element);
							break;

							case LBRE_HIDECHILDREN:
								GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);
								GetListBrowserNodeAttrs(lbnode,
									LBNA_UserData,(ULONG *)&treenode,
									TAG_DONE);
								tree_set_node_expanded(twin->tree, treenode, false);
							break;

							case LBRE_SHOWCHILDREN:
								GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);
								GetListBrowserNodeAttrs(lbnode,
									LBNA_UserData,(ULONG *)&treenode,
									TAG_DONE);
								tree_set_node_expanded(twin->tree, treenode, true);
							break;
						}
					break;

					case GID_OPEN:
						GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);
						GetListBrowserNodeAttrs(lbnode,
							LBNA_UserData,(ULONG *)&treenode,
							TAG_DONE);
						ami_tree_launch_node(twin->tree,treenode);
					break;

					case GID_NEWF:
						GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);
						if(lbnode)
						{
							GetListBrowserNodeAttrs(lbnode,
								LBNA_UserData,(ULONG *)&treenode,
								TAG_DONE);
						}
						else
						{
							treenode = twin->tree->root;
						}

						tree_create_folder_node(treenode,(char *)messages_get("TreeNewFolder"));

						ami_recreate_listbrowser(twin);
					break;

					case GID_NEWB:
						ami_new_bookmark(twin);
					break;

					case GID_UP:
						ami_move_node(twin,AMI_MOVE_UP);
					break;

					case GID_DOWN:
						ami_move_node(twin,AMI_MOVE_DOWN);
					break;

					case GID_LEFT:
						ami_move_node(twin,AMI_MOVE_OUT);
					break;

					case GID_DEL:
						GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);
						GetListBrowserNodeAttrs(lbnode,
							LBNA_UserData,(ULONG *)&treenode,
							TAG_DONE);
						tree_delete_node(twin->tree, treenode, false);
/* We are recreating the list from scratch as there is no obvious easy way
   to delete children from a listbrowser list */
						ami_recreate_listbrowser(twin);
					break;
				}
			break;

/* no menus yet, copied in as will probably need it later
			case WMHI_MENUPICK:
				item = ItemAddress(gwin->win->MenuStrip,code);
				while (code != MENUNULL)
				{
					ami_menupick(code,gwin);
					if(win_destroyed) break;
					code = item->NextSelect;
				}
			break;
*/

			case WMHI_CLOSEWINDOW:
				ami_tree_close(twin);
				return TRUE;
			break;
		}
	}
	return FALSE;
}

void ami_move_node(struct treeview_window *twin,int move)
{
	struct Node *lbnode = NULL;
	struct node *treenode,*moveto;
	bool before;

	GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);

	if(!lbnode) return;

	GetListBrowserNodeAttrs(lbnode,
			LBNA_UserData,(ULONG *)&treenode,
// for multiselects?				LBNA_Selected,(BOOL *)&sel,
			TAG_DONE);

	selectednode2 = treenode;

	tree_set_node_selected(twin->tree,twin->tree->root,false);
	tree_set_node_selected(twin->tree,treenode,true);

	switch(move)
	{
		case AMI_MOVE_UP:
			moveto = treenode->previous;
			before = true;
		break;

		case AMI_MOVE_DOWN:
			moveto = treenode->next;
			before = false;
		break;

		case AMI_MOVE_OUT:
			moveto = treenode->parent->previous;
			before = false;
		break;
	}

	if(!moveto) return;

	tree_delink_node(treenode);
	//tree_move_selected_nodes(twin->tree,moveto,before);
	tree_link_node(moveto,treenode,before);
	ami_recreate_listbrowser(twin);
	selectednode2 = NULL;
}

void ami_new_bookmark(struct treeview_window *twin)
{
	const struct url_data *data;
	struct Node *lbnode;
	struct node *treenode;
	char *url,*title;

	GetAttr(LISTBROWSER_SelectedNode,twin->gadgets[GID_TREEBROWSER],(ULONG *)&lbnode);
	if(lbnode)
	{
		GetListBrowserNodeAttrs(lbnode,
			LBNA_UserData,(ULONG *)&treenode,
			TAG_DONE);
	}
	else
	{
		treenode = twin->tree->root;
	}

	url = (char *)strdup("http://www.netsurf-browser.org");

	data = urldb_get_url_data(url);
	if (!data)
	{
		urldb_add_url(url);
		urldb_set_url_persistence(url,true);
		data = urldb_get_url_data(url);
	}

	if (data)
	{
		title = data->title;
		tree_create_URL_node(treenode,url,data,title);
		ami_recreate_listbrowser(twin);
	}
}

void ami_recreate_listbrowser(struct treeview_window *twin)
{
	static WORD gen=0;

	SetGadgetAttrs(twin->gadgets[GID_TREEBROWSER],twin->win,NULL,
					LISTBROWSER_Labels,~0,
					TAG_DONE);

	FreeListBrowserList(twin->listbrowser_list);
	ami_add_elements(twin,twin->tree->root,&gen);

	RefreshSetGadgetAttrs(twin->gadgets[GID_TREEBROWSER],twin->win,NULL,
							LISTBROWSER_Labels,twin->listbrowser_list,
							LISTBROWSER_SelectedNode,selectednode,
							TAG_DONE);
}