bcrecentlist.C

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#include <string.h>

#include "defaults.h"
#include "bctextbox.h"
#include "bclistbox.h"
#include "bclistboxitem.h"
#include "bcrecentlist.h"

// NOTE: textbox can be NULL if no textbox is associated
BC_RecentList::BC_RecentList(const char *type, Defaults *defaults, 
                             BC_TextBox *textbox, int max, 
                             int x, int y, int w, int h) 
        : BC_ListBox(x, y, w, h, LISTBOX_TEXT, 0, 0, 0, 1, 0, 1) 
{
        this->type = type;
        this->defaults = defaults;
        this->textbox = textbox;
        set_tooltip("Choose from recently used");
}

BC_RecentList::BC_RecentList(const char *type, Defaults *defaults, 
                             BC_TextBox *textbox) 
        : BC_ListBox(textbox->get_x() + textbox->get_w(), textbox->get_y(),
                     textbox->get_w(), RECENT_POPUP_HEIGHT,
                     LISTBOX_TEXT, 0, 0, 0, 1, 0, 1)
{
        this->type = type;
        this->defaults = defaults;
        this->textbox = textbox;
        set_tooltip("Choose from recently used");
}

BC_RecentList::BC_RecentList(const char *type, Defaults *defaults) 
        : BC_ListBox(-1, -1, -1, -1, LISTBOX_TEXT, 0, 0, 0, 1, 0, 1)
{
        this->type = type;
        this->defaults = defaults;
        this->textbox = NULL;
}

BC_RecentList::~BC_RecentList() {
        items.remove_all_objects();
}

int BC_RecentList::handle_event() {
        BC_ListBoxItem *item = get_selection(0, 0);
        if (item < 0) return 0;
        char *text = item->get_text();
        if (text && textbox) {
                // change the text in the textbox
                textbox->update(text);
                // tell the textbox to deal with it
                textbox->handle_event();
        }
        return 0;
}


int BC_RecentList::load_items(const char *prefix) {

        if (! prefix) prefix = "ANY";

        if (items.total > 0) {
                items.remove_all_objects();
        }

        int count;
        for (count = 0; count < RECENT_MAX_ITEMS; count++) {
                char save[BCTEXTLEN];
                char text[BCTEXTLEN];
                sprintf(save, "RECENT_%s_%s_%d", prefix, type, count);
                sprintf(text, "");
                defaults->get(save, text);
                if (strlen(text) == 0) break;
                items.append(new BC_ListBoxItem(text));
        }

        // only update if we are part of a window
        if (textbox) update(&items, 0, 0, 1);

        return count;
}       


int BC_RecentList::add_item(const char *prefix, char *text) {

        if (! prefix) prefix = "ANY";
        
        // remove an old item if it matches the new text
        for (int i = 0; i < items.total; i++) {
                BC_ListBoxItem *item = items.values[i];
                if (strcmp(text, item->get_text()) == 0) {
                        items.remove_object(item);
                }
        }

        // make a new item and put it at the top of the list
        items.insert(new BC_ListBoxItem(text), 0);

        // save up to maximum items of the list for future use
        int count;
        for (count = 0; 
             count < RECENT_MAX_ITEMS && count < items.total; 
             count++) {
                BC_ListBoxItem *item = items.values[count];
                char save[BCTEXTLEN];
                sprintf(save, "RECENT_%s_%s_%d", prefix, type, count);
                defaults->update(save, item->get_text());
        }

        return count;
}

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